21725808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{941}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 62141856

約数和(自身を除く): 40416048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 74, 78, 104, 111, 148, 156, 208, 222, 296, 312, 444, 481, 592, 624, 888, 941, 962, 1443, 1776, 1882, 1924, 2823, 2886, 3764, 3848, 5646, 5772, 7528, 7696, 11292, 11544, 12233, 15056, 22584, 23088, 24466, 34817, 36699, 45168, 48932, 69634, 73398, 97864, 104451, 139268, 146796, 195728, 208902, 278536, 293592, 417804, 452621, 557072, 587184, 835608, 905242, 1357863, 1671216, 1810484, 2715726, 3620968, 5431452, 7241936, 10862904, 21725808]

約数ペア:

[(1, 21725808), (2, 10862904), (3, 7241936), (4, 5431452), (6, 3620968), (8, 2715726), (12, 1810484), (13, 1671216), (16, 1357863), (24, 905242), (26, 835608), (37, 587184), (39, 557072), (48, 452621), (52, 417804), (74, 293592), (78, 278536), (104, 208902), (111, 195728), (148, 146796), (156, 139268), (208, 104451), (222, 97864), (296, 73398), (312, 69634), (444, 48932), (481, 45168), (592, 36699), (624, 34817), (888, 24466), (941, 23088), (962, 22584), (1443, 15056), (1776, 12233), (1882, 11544), (1924, 11292), (2823, 7696), (2886, 7528), (3764, 5772), (3848, 5646)]