21850170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1039}}^1$

素因数の和:1750

約数の個数: 32

約数和(自身を含む): 52565760

約数和(自身を除く): 30715590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701, 1039, 1402, 2078, 2103, 3117, 3505, 4206, 5195, 6234, 7010, 10390, 10515, 15585, 21030, 31170, 728339, 1456678, 2185017, 3641695, 4370034, 7283390, 10925085, 21850170]

約数ペア:

[(1, 21850170), (2, 10925085), (3, 7283390), (5, 4370034), (6, 3641695), (10, 2185017), (15, 1456678), (30, 728339), (701, 31170), (1039, 21030), (1402, 15585), (2078, 10515), (2103, 10390), (3117, 7010), (3505, 6234), (4206, 5195)]