21189674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 15651286

約数列:

[1, 2, 11, 19, 22, 38, 163, 209, 311, 326, 418, 622, 1793, 3097, 3421, 3586, 5909, 6194, 6842, 11818, 34067, 50693, 64999, 68134, 101386, 129998, 557623, 963167, 1115246, 1926334, 10594837, 21189674]

約数ペア:

[(1, 21189674), (2, 10594837), (11, 1926334), (19, 1115246), (22, 963167), (38, 557623), (163, 129998), (209, 101386), (311, 68134), (326, 64999), (418, 50693), (622, 34067), (1793, 11818), (3097, 6842), (3421, 6194), (3586, 5909)]