21035219880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1424

約数の個数: 256

約数和(自身を含む): 67333939200

約数和(自身を除く): 46298719320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 107, 120, 124, 129, 155, 172, 186, 214, 215, 248, 258, 310, 321, 344, 372, 428, 430, 465, 516, 535, 620, 642, 645, 744, 856, 860, 930, 1032, 1070, 1229, 1240, 1284, 1290, 1333, 1605, 1720, 1860, 2140, 2458, 2568, 2580, 2666, 3210, 3317, 3687, 3720, 3999, 4280, 4601, 4916, 5160, 5332, 6145, 6420, 6634, 6665, 7374, 7998, 9202, 9832, 9951, 10664, 12290, 12840, 13268, 13330, 13803, 14748, 15996, 16585, 18404, 18435, 19902, 19995, 23005, 24580, 26536, 26660, 27606, 29496, 31992, 33170, 36808, 36870, 38099, 39804, 39990, 46010, 49160, 49755, 52847, 53320, 55212, 66340, 69015, 73740, 76198, 79608, 79980, 92020, 99510, 105694, 110424, 114297, 131503, 132680, 138030, 142631, 147480, 152396, 158541, 159960, 184040, 190495, 199020, 211388, 228594, 263006, 264235, 276060, 285262, 304792, 317082, 380990, 394509, 398040, 422776, 427893, 457188, 526012, 528470, 552120, 570524, 571485, 634164, 657515, 713155, 761980, 789018, 792705, 855786, 914376, 1052024, 1056940, 1141048, 1142970, 1268328, 1315030, 1426310, 1523960, 1578036, 1585410, 1638257, 1711572, 1972545, 2113880, 2139465, 2285940, 2630060, 2852620, 3156072, 3170820, 3276514, 3423144, 3945090, 4076593, 4278930, 4571880, 4914771, 5260120, 5654629, 5705240, 6341640, 6553028, 7890180, 8153186, 8191285, 8557860, 9829542, 11309258, 12229779, 13106056, 15780360, 16306372, 16382570, 16963887, 17115720, 19659084, 20382965, 22618516, 24459558, 24573855, 28273145, 32612744, 32765140, 33927774, 39318168, 40765930, 45237032, 48919116, 49147710, 56546290, 61148895, 65530280, 67855548, 81531860, 84819435, 97838232, 98295420, 113092580, 122297790, 135711096, 163063720, 169638870, 175293499, 196590840, 226185160, 244595580, 339277740, 350586998, 489191160, 525880497, 678555480, 701173996, 876467495, 1051760994, 1402347992, 1752934990, 2103521988, 2629402485, 3505869980, 4207043976, 5258804970, 7011739960, 10517609940, 21035219880]

約数ペア:

[(1, 21035219880), (2, 10517609940), (3, 7011739960), (4, 5258804970), (5, 4207043976), (6, 3505869980), (8, 2629402485), (10, 2103521988), (12, 1752934990), (15, 1402347992), (20, 1051760994), (24, 876467495), (30, 701173996), (31, 678555480), (40, 525880497), (43, 489191160), (60, 350586998), (62, 339277740), (86, 244595580), (93, 226185160), (107, 196590840), (120, 175293499), (124, 169638870), (129, 163063720), (155, 135711096), (172, 122297790), (186, 113092580), (214, 98295420), (215, 97838232), (248, 84819435), (258, 81531860), (310, 67855548), (321, 65530280), (344, 61148895), (372, 56546290), (428, 49147710), (430, 48919116), (465, 45237032), (516, 40765930), (535, 39318168), (620, 33927774), (642, 32765140), (645, 32612744), (744, 28273145), (856, 24573855), (860, 24459558), (930, 22618516), (1032, 20382965), (1070, 19659084), (1229, 17115720), (1240, 16963887), (1284, 16382570), (1290, 16306372), (1333, 15780360), (1605, 13106056), (1720, 12229779), (1860, 11309258), (2140, 9829542), (2458, 8557860), (2568, 8191285), (2580, 8153186), (2666, 7890180), (3210, 6553028), (3317, 6341640), (3687, 5705240), (3720, 5654629), (3999, 5260120), (4280, 4914771), (4601, 4571880), (4916, 4278930), (5160, 4076593), (5332, 3945090), (6145, 3423144), (6420, 3276514), (6634, 3170820), (6665, 3156072), (7374, 2852620), (7998, 2630060), (9202, 2285940), (9832, 2139465), (9951, 2113880), (10664, 1972545), (12290, 1711572), (12840, 1638257), (13268, 1585410), (13330, 1578036), (13803, 1523960), (14748, 1426310), (15996, 1315030), (16585, 1268328), (18404, 1142970), (18435, 1141048), (19902, 1056940), (19995, 1052024), (23005, 914376), (24580, 855786), (26536, 792705), (26660, 789018), (27606, 761980), (29496, 713155), (31992, 657515), (33170, 634164), (36808, 571485), (36870, 570524), (38099, 552120), (39804, 528470), (39990, 526012), (46010, 457188), (49160, 427893), (49755, 422776), (52847, 398040), (53320, 394509), (55212, 380990), (66340, 317082), (69015, 304792), (73740, 285262), (76198, 276060), (79608, 264235), (79980, 263006), (92020, 228594), (99510, 211388), (105694, 199020), (110424, 190495), (114297, 184040), (131503, 159960), (132680, 158541), (138030, 152396), (142631, 147480)]