21695895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37087}}^1$

素因数の和:37111

約数の個数: 24

約数和(自身を含む): 40500096

約数和(自身を除く): 18804201

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37087, 111261, 185435, 333783, 482131, 556305, 1446393, 1668915, 2410655, 4339179, 7231965, 21695895]

約数ペア:

[(1, 21695895), (3, 7231965), (5, 4339179), (9, 2410655), (13, 1668915), (15, 1446393), (39, 556305), (45, 482131), (65, 333783), (117, 185435), (195, 111261), (585, 37087)]