21776564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{827}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 17868076

約数列:

[1, 2, 4, 29, 58, 116, 227, 454, 827, 908, 1654, 3308, 6583, 13166, 23983, 26332, 47966, 95932, 187729, 375458, 750916, 5444141, 10888282, 21776564]

約数ペア:

[(1, 21776564), (2, 10888282), (4, 5444141), (29, 750916), (58, 375458), (116, 187729), (227, 95932), (454, 47966), (827, 26332), (908, 23983), (1654, 13166), (3308, 6583)]