21671052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138917}}^1$

素因数の和:138937

約数の個数: 24

約数和(自身を含む): 54455856

約数和(自身を除く): 32784804

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138917, 277834, 416751, 555668, 833502, 1667004, 1805921, 3611842, 5417763, 7223684, 10835526, 21671052]

約数ペア:

[(1, 21671052), (2, 10835526), (3, 7223684), (4, 5417763), (6, 3611842), (12, 1805921), (13, 1667004), (26, 833502), (39, 555668), (52, 416751), (78, 277834), (156, 138917)]