21787232

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{4177}}^1$

素因数の和:4350

約数の個数: 24

約数和(自身を含む): 43167096

約数和(自身を除く): 21379864

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 4177, 5216, 8354, 16708, 33416, 66832, 133664, 680851, 1361702, 2723404, 5446808, 10893616, 21787232]

約数ペア:

[(1, 21787232), (2, 10893616), (4, 5446808), (8, 2723404), (16, 1361702), (32, 680851), (163, 133664), (326, 66832), (652, 33416), (1304, 16708), (2608, 8354), (4177, 5216)]