21031110

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77893}}^1$

素因数の和:77909

約数の個数: 32

約数和(自身を含む): 56083680

約数和(自身を除く): 35052570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77893, 155786, 233679, 389465, 467358, 701037, 778930, 1168395, 1402074, 2103111, 2336790, 3505185, 4206222, 7010370, 10515555, 21031110]

約数ペア:

[(1, 21031110), (2, 10515555), (3, 7010370), (5, 4206222), (6, 3505185), (9, 2336790), (10, 2103111), (15, 1402074), (18, 1168395), (27, 778930), (30, 701037), (45, 467358), (54, 389465), (90, 233679), (135, 155786), (270, 77893)]