21141724

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 38264688

約数和(自身を除く): 17122964

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1217, 2434, 4343, 4868, 8686, 17372, 52331, 104662, 122917, 209324, 245834, 491668, 5285431, 10570862, 21141724]

約数ペア:

[(1, 21141724), (2, 10570862), (4, 5285431), (43, 491668), (86, 245834), (101, 209324), (172, 122917), (202, 104662), (404, 52331), (1217, 17372), (2434, 8686), (4343, 4868)]