21258094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16481426

約数列:

[1, 2, 11, 13, 22, 26, 143, 239, 286, 311, 478, 622, 2629, 3107, 3421, 4043, 5258, 6214, 6842, 8086, 34177, 44473, 68354, 74329, 88946, 148658, 817619, 966277, 1635238, 1932554, 10629047, 21258094]

約数ペア:

[(1, 21258094), (2, 10629047), (11, 1932554), (13, 1635238), (22, 966277), (26, 817619), (143, 148658), (239, 88946), (286, 74329), (311, 68354), (478, 44473), (622, 34177), (2629, 8086), (3107, 6842), (3421, 6214), (4043, 5258)]