21027768

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2647}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 52748160

約数和(自身を除く): 31720392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2647, 2648, 3972, 5294, 7941, 7944, 10588, 15882, 21176, 31764, 63528, 876157, 1752314, 2628471, 3504628, 5256942, 7009256, 10513884, 21027768]

約数ペア:

[(1, 21027768), (2, 10513884), (3, 7009256), (4, 5256942), (6, 3504628), (8, 2628471), (12, 1752314), (24, 876157), (331, 63528), (662, 31764), (993, 21176), (1324, 15882), (1986, 10588), (2647, 7944), (2648, 7941), (3972, 5294)]