21293013320

素因数分解:

$2^3\times 5^1\times {\mathrm{532325333}}^1$

素因数の和:532325344

約数の個数: 16

約数和(自身を含む): 47909280060

約数和(自身を除く): 26616266740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 532325333, 1064650666, 2129301332, 2661626665, 4258602664, 5323253330, 10646506660, 21293013320]

約数ペア:

[(1, 21293013320), (2, 10646506660), (4, 5323253330), (5, 4258602664), (8, 2661626665), (10, 2129301332), (20, 1064650666), (40, 532325333)]