21690124

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 39146688

約数和(自身を除く): 17456564

約数列:

[1, 2, 4, 47, 94, 113, 188, 226, 452, 1021, 2042, 4084, 5311, 10622, 21244, 47987, 95974, 115373, 191948, 230746, 461492, 5422531, 10845062, 21690124]

約数ペア:

[(1, 21690124), (2, 10845062), (4, 5422531), (47, 461492), (94, 230746), (113, 191948), (188, 115373), (226, 95974), (452, 47987), (1021, 21244), (2042, 10622), (4084, 5311)]