21999461758

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1\times {\mathrm{2551}}^1$

素因数の和:3264

約数の個数: 32

約数和(自身を含む): 34033063680

約数和(自身を除く): 12033601922

約数列:

[1, 2, 41, 82, 251, 419, 502, 838, 2551, 5102, 10291, 17179, 20582, 34358, 104591, 105169, 209182, 210338, 640301, 1068869, 1280602, 2137738, 4311929, 8623858, 26252341, 43823629, 52504682, 87647258, 268286119, 536572238, 10999730879, 21999461758]

約数ペア:

[(1, 21999461758), (2, 10999730879), (41, 536572238), (82, 268286119), (251, 87647258), (419, 52504682), (502, 43823629), (838, 26252341), (2551, 8623858), (5102, 4311929), (10291, 2137738), (17179, 1280602), (20582, 1068869), (34358, 640301), (104591, 210338), (105169, 209182)]