21113296

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{2311}}^1$

素因数の和:2890

約数の個数: 20

約数和(自身を含む): 40996384

約数和(自身を除く): 19883088

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 2311, 4568, 4622, 9136, 9244, 18488, 36976, 1319581, 2639162, 5278324, 10556648, 21113296]

約数ペア:

[(1, 21113296), (2, 10556648), (4, 5278324), (8, 2639162), (16, 1319581), (571, 36976), (1142, 18488), (2284, 9244), (2311, 9136), (4568, 4622)]