21934940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12323}}^1$

素因数の和:12421

約数の個数: 24

約数和(自身を含む): 46584720

約数和(自身を除く): 24649780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12323, 24646, 49292, 61615, 123230, 246460, 1096747, 2193494, 4386988, 5483735, 10967470, 21934940]

約数ペア:

[(1, 21934940), (2, 10967470), (4, 5483735), (5, 4386988), (10, 2193494), (20, 1096747), (89, 246460), (178, 123230), (356, 61615), (445, 49292), (890, 24646), (1780, 12323)]