21724920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 83229120

約数和(自身を除く): 61504200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 233, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 466, 504, 518, 555, 630, 666, 699, 740, 777, 840, 888, 932, 1036, 1110, 1165, 1260, 1295, 1332, 1398, 1480, 1554, 1631, 1665, 1864, 2072, 2097, 2220, 2330, 2331, 2520, 2590, 2664, 2796, 3108, 3262, 3330, 3495, 3885, 4194, 4440, 4660, 4662, 4893, 5180, 5592, 6216, 6524, 6660, 6990, 7770, 8155, 8388, 8621, 9320, 9324, 9786, 10360, 10485, 11655, 13048, 13320, 13980, 14679, 15540, 16310, 16776, 17242, 18648, 19572, 20970, 23310, 24465, 25863, 27960, 29358, 31080, 32620, 34484, 39144, 41940, 43105, 46620, 48930, 51726, 58716, 60347, 65240, 68968, 73395, 77589, 83880, 86210, 93240, 97860, 103452, 117432, 120694, 129315, 146790, 155178, 172420, 181041, 195720, 206904, 241388, 258630, 293580, 301735, 310356, 344840, 362082, 387945, 482776, 517260, 543123, 587160, 603470, 620712, 724164, 775890, 905205, 1034520, 1086246, 1206940, 1448328, 1551780, 1810410, 2172492, 2413880, 2715615, 3103560, 3620820, 4344984, 5431230, 7241640, 10862460, 21724920]

約数ペア:

[(1, 21724920), (2, 10862460), (3, 7241640), (4, 5431230), (5, 4344984), (6, 3620820), (7, 3103560), (8, 2715615), (9, 2413880), (10, 2172492), (12, 1810410), (14, 1551780), (15, 1448328), (18, 1206940), (20, 1086246), (21, 1034520), (24, 905205), (28, 775890), (30, 724164), (35, 620712), (36, 603470), (37, 587160), (40, 543123), (42, 517260), (45, 482776), (56, 387945), (60, 362082), (63, 344840), (70, 310356), (72, 301735), (74, 293580), (84, 258630), (90, 241388), (105, 206904), (111, 195720), (120, 181041), (126, 172420), (140, 155178), (148, 146790), (168, 129315), (180, 120694), (185, 117432), (210, 103452), (222, 97860), (233, 93240), (252, 86210), (259, 83880), (280, 77589), (296, 73395), (315, 68968), (333, 65240), (360, 60347), (370, 58716), (420, 51726), (444, 48930), (466, 46620), (504, 43105), (518, 41940), (555, 39144), (630, 34484), (666, 32620), (699, 31080), (740, 29358), (777, 27960), (840, 25863), (888, 24465), (932, 23310), (1036, 20970), (1110, 19572), (1165, 18648), (1260, 17242), (1295, 16776), (1332, 16310), (1398, 15540), (1480, 14679), (1554, 13980), (1631, 13320), (1665, 13048), (1864, 11655), (2072, 10485), (2097, 10360), (2220, 9786), (2330, 9324), (2331, 9320), (2520, 8621), (2590, 8388), (2664, 8155), (2796, 7770), (3108, 6990), (3262, 6660), (3330, 6524), (3495, 6216), (3885, 5592), (4194, 5180), (4440, 4893), (4660, 4662)]