21740475

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3257}}^1$

素因数の和:3359

約数の個数: 24

約数和(自身を含む): 36359280

約数和(自身を除く): 14618805

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3257, 6675, 9771, 16285, 48855, 81425, 244275, 289873, 869619, 1449365, 4348095, 7246825, 21740475]

約数ペア:

[(1, 21740475), (3, 7246825), (5, 4348095), (15, 1449365), (25, 869619), (75, 289873), (89, 244275), (267, 81425), (445, 48855), (1335, 16285), (2225, 9771), (3257, 6675)]