21876170

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 40480128

約数和(自身を除く): 18603958

約数列:

[1, 2, 5, 10, 67, 103, 134, 206, 317, 335, 515, 634, 670, 1030, 1585, 3170, 6901, 13802, 21239, 32651, 34505, 42478, 65302, 69010, 106195, 163255, 212390, 326510, 2187617, 4375234, 10938085, 21876170]

約数ペア:

[(1, 21876170), (2, 10938085), (5, 4375234), (10, 2187617), (67, 326510), (103, 212390), (134, 163255), (206, 106195), (317, 69010), (335, 65302), (515, 42478), (634, 34505), (670, 32651), (1030, 21239), (1585, 13802), (3170, 6901)]