21237030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235967}}^1$

素因数の和:235980

約数の個数: 24

約数和(自身を含む): 55216512

約数和(自身を除く): 33979482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235967, 471934, 707901, 1179835, 1415802, 2123703, 2359670, 3539505, 4247406, 7079010, 10618515, 21237030]

約数ペア:

[(1, 21237030), (2, 10618515), (3, 7079010), (5, 4247406), (6, 3539505), (9, 2359670), (10, 2123703), (15, 1415802), (18, 1179835), (30, 707901), (45, 471934), (90, 235967)]