21937095

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3779}}^1$

素因数の和:3836

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 17979705

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3779, 5805, 11337, 18895, 34011, 56685, 102033, 162497, 170055, 487491, 510165, 812485, 1462473, 2437455, 4387419, 7312365, 21937095]

約数ペア:

[(1, 21937095), (3, 7312365), (5, 4387419), (9, 2437455), (15, 1462473), (27, 812485), (43, 510165), (45, 487491), (129, 170055), (135, 162497), (215, 102033), (387, 56685), (645, 34011), (1161, 18895), (1935, 11337), (3779, 5805)]