21304270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5651}}^1$

素因数の和:5700

約数の個数: 32

約数和(自身を含む): 42729120

約数和(自身を除く): 21424850

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5651, 11302, 28255, 56510, 73463, 146926, 163879, 327758, 367315, 734630, 819395, 1638790, 2130427, 4260854, 10652135, 21304270]

約数ペア:

[(1, 21304270), (2, 10652135), (5, 4260854), (10, 2130427), (13, 1638790), (26, 819395), (29, 734630), (58, 367315), (65, 327758), (130, 163879), (145, 146926), (290, 73463), (377, 56510), (754, 28255), (1885, 11302), (3770, 5651)]