21884860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8353}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 46314576

約数和(自身を除く): 24429716

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 8353, 16706, 33412, 41765, 83530, 167060, 1094243, 2188486, 4376972, 5471215, 10942430, 21884860]

約数ペア:

[(1, 21884860), (2, 10942430), (4, 5471215), (5, 4376972), (10, 2188486), (20, 1094243), (131, 167060), (262, 83530), (524, 41765), (655, 33412), (1310, 16706), (2620, 8353)]