21124061

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 25038720

約数和(自身を除く): 3914659

約数列:

[1, 7, 41, 89, 287, 623, 827, 3649, 5789, 25543, 33907, 73603, 237349, 515221, 3017723, 21124061]

約数ペア:

[(1, 21124061), (7, 3017723), (41, 515221), (89, 237349), (287, 73603), (623, 33907), (827, 25543), (3649, 5789)]