21131630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3067}}^1$

素因数の和:3140

約数の個数: 32

約数和(自身を含む): 41749344

約数和(自身を除く): 20617714

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3067, 3445, 6134, 6890, 15335, 30670, 39871, 79742, 162551, 199355, 325102, 398710, 812755, 1625510, 2113163, 4226326, 10565815, 21131630]

約数ペア:

[(1, 21131630), (2, 10565815), (5, 4226326), (10, 2113163), (13, 1625510), (26, 812755), (53, 398710), (65, 325102), (106, 199355), (130, 162551), (265, 79742), (530, 39871), (689, 30670), (1378, 15335), (3067, 6890), (3445, 6134)]