21416854990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3301}}^1\times {\mathrm{20929}}^1$

素因数の和:24268

約数の個数: 32

約数和(自身を含む): 39807855360

約数和(自身を除く): 18391000370

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 3301, 6602, 16505, 20929, 33010, 41858, 102331, 104645, 204662, 209290, 511655, 648799, 1023310, 1297598, 3243995, 6487990, 69086629, 138173258, 345433145, 690866290, 2141685499, 4283370998, 10708427495, 21416854990]

約数ペア:

[(1, 21416854990), (2, 10708427495), (5, 4283370998), (10, 2141685499), (31, 690866290), (62, 345433145), (155, 138173258), (310, 69086629), (3301, 6487990), (6602, 3243995), (16505, 1297598), (20929, 1023310), (33010, 648799), (41858, 511655), (102331, 209290), (104645, 204662)]