21931065

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37489}}^1$

素因数の和:37513

約数の個数: 24

約数和(自身を含む): 40939080

約数和(自身を除く): 19008015

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37489, 112467, 187445, 337401, 487357, 562335, 1462071, 1687005, 2436785, 4386213, 7310355, 21931065]

約数ペア:

[(1, 21931065), (3, 7310355), (5, 4386213), (9, 2436785), (13, 1687005), (15, 1462071), (39, 562335), (45, 487357), (65, 337401), (117, 187445), (195, 112467), (585, 37489)]