21341538

素因数分解:

$2^1\times 3^2\times {\mathrm{523}}^1\times {\mathrm{2267}}^1$

素因数の和:2798

約数の個数: 24

約数和(自身を含む): 46348848

約数和(自身を除く): 25007310

約数列:

[1, 2, 3, 6, 9, 18, 523, 1046, 1569, 2267, 3138, 4534, 4707, 6801, 9414, 13602, 20403, 40806, 1185641, 2371282, 3556923, 7113846, 10670769, 21341538]

約数ペア:

[(1, 21341538), (2, 10670769), (3, 7113846), (6, 3556923), (9, 2371282), (18, 1185641), (523, 40806), (1046, 20403), (1569, 13602), (2267, 9414), (3138, 6801), (4534, 4707)]