21490612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37571}}^1$

素因数の和:37599

約数の個数: 24

約数和(自身を含む): 44184672

約数和(自身を除く): 22694060

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37571, 75142, 150284, 413281, 488423, 826562, 976846, 1653124, 1953692, 5372653, 10745306, 21490612]

約数ペア:

[(1, 21490612), (2, 10745306), (4, 5372653), (11, 1953692), (13, 1653124), (22, 976846), (26, 826562), (44, 488423), (52, 413281), (143, 150284), (286, 75142), (572, 37571)]