21976964

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1115

約数の個数: 24

約数和(自身を含む): 39785088

約数和(自身を除く): 17808124

約数列:

[1, 2, 4, 37, 74, 148, 163, 326, 652, 911, 1822, 3644, 6031, 12062, 24124, 33707, 67414, 134828, 148493, 296986, 593972, 5494241, 10988482, 21976964]

約数ペア:

[(1, 21976964), (2, 10988482), (4, 5494241), (37, 593972), (74, 296986), (148, 148493), (163, 134828), (326, 67414), (652, 33707), (911, 24124), (1822, 12062), (3644, 6031)]