21964150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33791}}^1$

素因数の和:33816

約数の個数: 24

約数和(自身を含む): 43997184

約数和(自身を除く): 22033034

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33791, 67582, 168955, 337910, 439283, 844775, 878566, 1689550, 2196415, 4392830, 10982075, 21964150]

約数ペア:

[(1, 21964150), (2, 10982075), (5, 4392830), (10, 2196415), (13, 1689550), (25, 878566), (26, 844775), (50, 439283), (65, 337910), (130, 168955), (325, 67582), (650, 33791)]