21481122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{275399}}^1$

素因数の和:275417

約数の個数: 16

約数和(自身を含む): 46267200

約数和(自身を除く): 24786078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 275399, 550798, 826197, 1652394, 3580187, 7160374, 10740561, 21481122]

約数ペア:

[(1, 21481122), (2, 10740561), (3, 7160374), (6, 3580187), (13, 1652394), (26, 826197), (39, 550798), (78, 275399)]