21095490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54091}}^1$

素因数の和:54114

約数の個数: 32

約数和(自身を含む): 54524736

約数和(自身を除く): 33429246

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54091, 108182, 162273, 270455, 324546, 540910, 703183, 811365, 1406366, 1622730, 2109549, 3515915, 4219098, 7031830, 10547745, 21095490]

約数ペア:

[(1, 21095490), (2, 10547745), (3, 7031830), (5, 4219098), (6, 3515915), (10, 2109549), (13, 1622730), (15, 1406366), (26, 811365), (30, 703183), (39, 540910), (65, 324546), (78, 270455), (130, 162273), (195, 108182), (390, 54091)]