21095685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36061}}^1$

素因数の和:36085

約数の個数: 24

約数和(自身を含む): 39379704

約数和(自身を除く): 18284019

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36061, 108183, 180305, 324549, 468793, 540915, 1406379, 1622745, 2343965, 4219137, 7031895, 21095685]

約数ペア:

[(1, 21095685), (3, 7031895), (5, 4219137), (9, 2343965), (13, 1622745), (15, 1406379), (39, 540915), (45, 468793), (65, 324549), (117, 180305), (195, 108183), (585, 36061)]