21646320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 72852480

約数和(自身を除く): 51206160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 47, 48, 57, 60, 76, 80, 94, 95, 101, 114, 120, 141, 152, 188, 190, 202, 228, 235, 240, 282, 285, 303, 304, 376, 380, 404, 456, 470, 505, 564, 570, 606, 705, 752, 760, 808, 893, 912, 940, 1010, 1128, 1140, 1212, 1410, 1515, 1520, 1616, 1786, 1880, 1919, 2020, 2256, 2280, 2424, 2679, 2820, 3030, 3572, 3760, 3838, 4040, 4465, 4560, 4747, 4848, 5358, 5640, 5757, 6060, 7144, 7676, 8080, 8930, 9494, 9595, 10716, 11280, 11514, 12120, 13395, 14241, 14288, 15352, 17860, 18988, 19190, 21432, 23028, 23735, 24240, 26790, 28482, 28785, 30704, 35720, 37976, 38380, 42864, 46056, 47470, 53580, 56964, 57570, 71205, 71440, 75952, 76760, 90193, 92112, 94940, 107160, 113928, 115140, 142410, 153520, 180386, 189880, 214320, 227856, 230280, 270579, 284820, 360772, 379760, 450965, 460560, 541158, 569640, 721544, 901930, 1082316, 1139280, 1352895, 1443088, 1803860, 2164632, 2705790, 3607720, 4329264, 5411580, 7215440, 10823160, 21646320]

約数ペア:

[(1, 21646320), (2, 10823160), (3, 7215440), (4, 5411580), (5, 4329264), (6, 3607720), (8, 2705790), (10, 2164632), (12, 1803860), (15, 1443088), (16, 1352895), (19, 1139280), (20, 1082316), (24, 901930), (30, 721544), (38, 569640), (40, 541158), (47, 460560), (48, 450965), (57, 379760), (60, 360772), (76, 284820), (80, 270579), (94, 230280), (95, 227856), (101, 214320), (114, 189880), (120, 180386), (141, 153520), (152, 142410), (188, 115140), (190, 113928), (202, 107160), (228, 94940), (235, 92112), (240, 90193), (282, 76760), (285, 75952), (303, 71440), (304, 71205), (376, 57570), (380, 56964), (404, 53580), (456, 47470), (470, 46056), (505, 42864), (564, 38380), (570, 37976), (606, 35720), (705, 30704), (752, 28785), (760, 28482), (808, 26790), (893, 24240), (912, 23735), (940, 23028), (1010, 21432), (1128, 19190), (1140, 18988), (1212, 17860), (1410, 15352), (1515, 14288), (1520, 14241), (1616, 13395), (1786, 12120), (1880, 11514), (1919, 11280), (2020, 10716), (2256, 9595), (2280, 9494), (2424, 8930), (2679, 8080), (2820, 7676), (3030, 7144), (3572, 6060), (3760, 5757), (3838, 5640), (4040, 5358), (4465, 4848), (4560, 4747)]