21456110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165047}}^1$

素因数の和:165067

約数の個数: 16

約数和(自身を含む): 41592096

約数和(自身を除く): 20135986

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165047, 330094, 825235, 1650470, 2145611, 4291222, 10728055, 21456110]

約数ペア:

[(1, 21456110), (2, 10728055), (5, 4291222), (10, 2145611), (13, 1650470), (26, 825235), (65, 330094), (130, 165047)]