21239066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1447}}^1$

素因数の和:1669

約数の個数: 16

約数和(自身を含む): 32840640

約数和(自身を除く): 11601574

約数列:

[1, 2, 41, 82, 179, 358, 1447, 2894, 7339, 14678, 59327, 118654, 259013, 518026, 10619533, 21239066]

約数ペア:

[(1, 21239066), (2, 10619533), (41, 518026), (82, 259013), (179, 118654), (358, 59327), (1447, 14678), (2894, 7339)]