21438286198

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{161411}}^1$

素因数の和:161652

約数の個数: 32

約数和(自身を含む): 37654191360

約数和(自身を除く): 16215905162

約数列:

[1, 2, 7, 14, 53, 106, 179, 358, 371, 742, 1253, 2506, 9487, 18974, 66409, 132818, 161411, 322822, 1129877, 2259754, 8554783, 17109566, 28892569, 57785138, 59883481, 119766962, 202247983, 404495966, 1531306157, 3062612314, 10719143099, 21438286198]

約数ペア:

[(1, 21438286198), (2, 10719143099), (7, 3062612314), (14, 1531306157), (53, 404495966), (106, 202247983), (179, 119766962), (358, 59883481), (371, 57785138), (742, 28892569), (1253, 17109566), (2506, 8554783), (9487, 2259754), (18974, 1129877), (66409, 322822), (132818, 161411)]