21771569116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1272001}}^1$

素因数の和:1272405

約数の個数: 24

約数和(自身を含む): 41670785520

約数和(自身を除く): 19899216404

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 17116, 1272001, 2544002, 5088004, 13992011, 27984022, 55968044, 494808389, 989616778, 1979233556, 5442892279, 10885784558, 21771569116]

約数ペア:

[(1, 21771569116), (2, 10885784558), (4, 5442892279), (11, 1979233556), (22, 989616778), (44, 494808389), (389, 55968044), (778, 27984022), (1556, 13992011), (4279, 5088004), (8558, 2544002), (17116, 1272001)]