21931525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11393}}^1$

素因数の和:11421

約数の個数: 24

約数和(自身を含む): 33908544

約数和(自身を除く): 11977019

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 11393, 56965, 79751, 125323, 284825, 398755, 626615, 877261, 1993775, 3133075, 4386305, 21931525]

約数ペア:

[(1, 21931525), (5, 4386305), (7, 3133075), (11, 1993775), (25, 877261), (35, 626615), (55, 398755), (77, 284825), (175, 125323), (275, 79751), (385, 56965), (1925, 11393)]