21985942

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2004

約数の個数: 24

約数和(自身を含む): 37039968

約数和(自身を除く): 15054026

約数列:

[1, 2, 11, 22, 47, 94, 121, 242, 517, 1034, 1933, 3866, 5687, 11374, 21263, 42526, 90851, 181702, 233893, 467786, 999361, 1998722, 10992971, 21985942]

約数ペア:

[(1, 21985942), (2, 10992971), (11, 1998722), (22, 999361), (47, 467786), (94, 233893), (121, 181702), (242, 90851), (517, 42526), (1034, 21263), (1933, 11374), (3866, 5687)]