21418348

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{2311}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 42984704

約数和(自身を除く): 21566356

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2311, 2317, 4622, 4634, 9244, 9268, 16177, 32354, 64708, 764941, 1529882, 3059764, 5354587, 10709174, 21418348]

約数ペア:

[(1, 21418348), (2, 10709174), (4, 5354587), (7, 3059764), (14, 1529882), (28, 764941), (331, 64708), (662, 32354), (1324, 16177), (2311, 9268), (2317, 9244), (4622, 4634)]