21752913

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11383}}^1$

素因数の和:11413

約数の個数: 24

約数和(自身を含む): 36337728

約数和(自身を除く): 14584815

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11383, 34149, 79681, 147979, 239043, 443937, 557767, 1035853, 1673301, 3107559, 7250971, 21752913]

約数ペア:

[(1, 21752913), (3, 7250971), (7, 3107559), (13, 1673301), (21, 1035853), (39, 557767), (49, 443937), (91, 239043), (147, 147979), (273, 79681), (637, 34149), (1911, 11383)]