21175290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{78427}}^1$

素因数の和:78443

約数の個数: 32

約数和(自身を含む): 56468160

約数和(自身を除く): 35292870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 78427, 156854, 235281, 392135, 470562, 705843, 784270, 1176405, 1411686, 2117529, 2352810, 3529215, 4235058, 7058430, 10587645, 21175290]

約数ペア:

[(1, 21175290), (2, 10587645), (3, 7058430), (5, 4235058), (6, 3529215), (9, 2352810), (10, 2117529), (15, 1411686), (18, 1176405), (27, 784270), (30, 705843), (45, 470562), (54, 392135), (90, 235281), (135, 156854), (270, 78427)]