21530310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5651}}^1$

素因数の和:5788

約数の個数: 32

約数和(自身を含む): 52088832

約数和(自身を除く): 30558522

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5651, 11302, 16953, 28255, 33906, 56510, 84765, 169530, 717677, 1435354, 2153031, 3588385, 4306062, 7176770, 10765155, 21530310]

約数ペア:

[(1, 21530310), (2, 10765155), (3, 7176770), (5, 4306062), (6, 3588385), (10, 2153031), (15, 1435354), (30, 717677), (127, 169530), (254, 84765), (381, 56510), (635, 33906), (762, 28255), (1270, 16953), (1905, 11302), (3810, 5651)]