21175832

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49943}}^1$

素因数の和:50002

約数の個数: 16

約数和(自身を含む): 40454640

約数和(自身を除く): 19278808

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49943, 99886, 199772, 399544, 2646979, 5293958, 10587916, 21175832]

約数ペア:

[(1, 21175832), (2, 10587916), (4, 5293958), (8, 2646979), (53, 399544), (106, 199772), (212, 99886), (424, 49943)]