21509150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33091}}^1$

素因数の和:33116

約数の個数: 24

約数和(自身を含む): 43085784

約数和(自身を除く): 21576634

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33091, 66182, 165455, 330910, 430183, 827275, 860366, 1654550, 2150915, 4301830, 10754575, 21509150]

約数ペア:

[(1, 21509150), (2, 10754575), (5, 4301830), (10, 2150915), (13, 1654550), (25, 860366), (26, 827275), (50, 430183), (65, 330910), (130, 165455), (325, 66182), (650, 33091)]