21332675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9377}}^1$

素因数の和:9407

約数の個数: 24

約数和(自身を含む): 32560416

約数和(自身を除く): 11227741

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9377, 46885, 65639, 121901, 234425, 328195, 609505, 853307, 1640975, 3047525, 4266535, 21332675]

約数ペア:

[(1, 21332675), (5, 4266535), (7, 3047525), (13, 1640975), (25, 853307), (35, 609505), (65, 328195), (91, 234425), (175, 121901), (325, 65639), (455, 46885), (2275, 9377)]