21563036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10427}}^1$

素因数の和:10489

約数の個数: 24

約数和(自身を含む): 42045696

約数和(自身を除く): 20482660

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10427, 20854, 41708, 114697, 229394, 458788, 490069, 980138, 1960276, 5390759, 10781518, 21563036]

約数ペア:

[(1, 21563036), (2, 10781518), (4, 5390759), (11, 1960276), (22, 980138), (44, 490069), (47, 458788), (94, 229394), (188, 114697), (517, 41708), (1034, 20854), (2068, 10427)]