21240844

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 37825200

約数和(自身を除く): 16584356

約数列:

[1, 2, 4, 149, 157, 227, 298, 314, 454, 596, 628, 908, 23393, 33823, 35639, 46786, 67646, 71278, 93572, 135292, 142556, 5310211, 10620422, 21240844]

約数ペア:

[(1, 21240844), (2, 10620422), (4, 5310211), (149, 142556), (157, 135292), (227, 93572), (298, 71278), (314, 67646), (454, 46786), (596, 35639), (628, 33823), (908, 23393)]