20211193010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5441}}^1\times {\mathrm{12809}}^1$

素因数の和:18286

約数の個数: 32

約数和(自身を含む): 37644490800

約数和(自身を除く): 17433297790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 5441, 10882, 12809, 25618, 27205, 54410, 64045, 128090, 157789, 315578, 371461, 742922, 788945, 1577890, 1857305, 3714610, 69693769, 139387538, 348468845, 696937690, 2021119301, 4042238602, 10105596505, 20211193010]

約数ペア:

[(1, 20211193010), (2, 10105596505), (5, 4042238602), (10, 2021119301), (29, 696937690), (58, 348468845), (145, 139387538), (290, 69693769), (5441, 3714610), (10882, 1857305), (12809, 1577890), (25618, 788945), (27205, 742922), (54410, 371461), (64045, 315578), (128090, 157789)]