21367283

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 26667792

約数和(自身を除く): 5300509

約数列:

[1, 7, 17, 49, 113, 119, 227, 791, 833, 1589, 1921, 3859, 5537, 11123, 13447, 25651, 27013, 94129, 179557, 189091, 436067, 1256899, 3052469, 21367283]

約数ペア:

[(1, 21367283), (7, 3052469), (17, 1256899), (49, 436067), (113, 189091), (119, 179557), (227, 94129), (791, 27013), (833, 25651), (1589, 13447), (1921, 11123), (3859, 5537)]