21580494832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4510973}}^1$

素因数の和:4511017

約数の個数: 40

約数和(自身を含む): 46986305184

約数和(自身を除く): 25405810352

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 4510973, 9021946, 18043892, 36087784, 58642649, 72175568, 103752379, 117285298, 207504758, 234570596, 415009516, 469141192, 830019032, 938282384, 1348780927, 1660038064, 2697561854, 5395123708, 10790247416, 21580494832]

約数ペア:

[(1, 21580494832), (2, 10790247416), (4, 5395123708), (8, 2697561854), (13, 1660038064), (16, 1348780927), (23, 938282384), (26, 830019032), (46, 469141192), (52, 415009516), (92, 234570596), (104, 207504758), (184, 117285298), (208, 103752379), (299, 72175568), (368, 58642649), (598, 36087784), (1196, 18043892), (2392, 9021946), (4784, 4510973)]