21209774330

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1\times {\mathrm{23911}}^1$

素因数の和:24854

約数の個数: 32

約数和(自身を含む): 38582490240

約数和(自身を除く): 17372715910

約数列:

[1, 2, 5, 10, 107, 214, 535, 829, 1070, 1658, 4145, 8290, 23911, 47822, 88703, 119555, 177406, 239110, 443515, 887030, 2558477, 5116954, 12792385, 19822219, 25584770, 39644438, 99111095, 198222190, 2120977433, 4241954866, 10604887165, 21209774330]

約数ペア:

[(1, 21209774330), (2, 10604887165), (5, 4241954866), (10, 2120977433), (107, 198222190), (214, 99111095), (535, 39644438), (829, 25584770), (1070, 19822219), (1658, 12792385), (4145, 5116954), (8290, 2558477), (23911, 887030), (47822, 443515), (88703, 239110), (119555, 177406)]