21868349867

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{53773}}^1$

素因数の和:53943

約数の個数: 32

約数和(自身を含む): 27824818560

約数和(自身を除く): 5956468693

約数列:

[1, 7, 13, 41, 91, 109, 287, 533, 763, 1417, 3731, 4469, 9919, 31283, 53773, 58097, 376411, 406679, 699049, 2204693, 4893343, 5861257, 15432851, 28661009, 41028799, 76196341, 200627063, 240311537, 533374387, 1682180759, 3124049981, 21868349867]

約数ペア:

[(1, 21868349867), (7, 3124049981), (13, 1682180759), (41, 533374387), (91, 240311537), (109, 200627063), (287, 76196341), (533, 41028799), (763, 28661009), (1417, 15432851), (3731, 5861257), (4469, 4893343), (9919, 2204693), (31283, 699049), (53773, 406679), (58097, 376411)]