21050718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3697}}^1$

素因数の和:3788

約数の個数: 32

約数和(自身を含む): 45973536

約数和(自身を除く): 24922818

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 3697, 5694, 7394, 11091, 22182, 48061, 96122, 144183, 269881, 288366, 539762, 809643, 1619286, 3508453, 7016906, 10525359, 21050718]

約数ペア:

[(1, 21050718), (2, 10525359), (3, 7016906), (6, 3508453), (13, 1619286), (26, 809643), (39, 539762), (73, 288366), (78, 269881), (146, 144183), (219, 96122), (438, 48061), (949, 22182), (1898, 11091), (2847, 7394), (3697, 5694)]