21004832

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{4027}}^1$

素因数の和:4200

約数の個数: 24

約数和(自身を含む): 41617296

約数和(自身を除く): 20612464

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 4027, 5216, 8054, 16108, 32216, 64432, 128864, 656401, 1312802, 2625604, 5251208, 10502416, 21004832]

約数ペア:

[(1, 21004832), (2, 10502416), (4, 5251208), (8, 2625604), (16, 1312802), (32, 656401), (163, 128864), (326, 64432), (652, 32216), (1304, 16108), (2608, 8054), (4027, 5216)]