21094530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13267}}^1$

素因数の和:13330

約数の個数: 32

約数和(自身を含む): 51585984

約数和(自身を除く): 30491454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13267, 26534, 39801, 66335, 79602, 132670, 199005, 398010, 703151, 1406302, 2109453, 3515755, 4218906, 7031510, 10547265, 21094530]

約数ペア:

[(1, 21094530), (2, 10547265), (3, 7031510), (5, 4218906), (6, 3515755), (10, 2109453), (15, 1406302), (30, 703151), (53, 398010), (106, 199005), (159, 132670), (265, 79602), (318, 66335), (530, 39801), (795, 26534), (1590, 13267)]