21750885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37181}}^1$

素因数の和:37205

約数の個数: 24

約数和(自身を含む): 40602744

約数和(自身を除く): 18851859

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37181, 111543, 185905, 334629, 483353, 557715, 1450059, 1673145, 2416765, 4350177, 7250295, 21750885]

約数ペア:

[(1, 21750885), (3, 7250295), (5, 4350177), (9, 2416765), (13, 1673145), (15, 1450059), (39, 557715), (45, 483353), (65, 334629), (117, 185905), (195, 111543), (585, 37181)]