21364525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9391}}^1$

素因数の和:9421

約数の個数: 24

約数和(自身を含む): 32609024

約数和(自身を除く): 11244499

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9391, 46955, 65737, 122083, 234775, 328685, 610415, 854581, 1643425, 3052075, 4272905, 21364525]

約数ペア:

[(1, 21364525), (5, 4272905), (7, 3052075), (13, 1643425), (25, 854581), (35, 610415), (65, 328685), (91, 234775), (175, 122083), (325, 65737), (455, 46955), (2275, 9391)]