21226370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11351}}^1$

素因数の和:11386

約数の個数: 32

約数和(自身を含む): 44136576

約数和(自身を除く): 22910206

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11351, 22702, 56755, 113510, 124861, 192967, 249722, 385934, 624305, 964835, 1248610, 1929670, 2122637, 4245274, 10613185, 21226370]

約数ペア:

[(1, 21226370), (2, 10613185), (5, 4245274), (10, 2122637), (11, 1929670), (17, 1248610), (22, 964835), (34, 624305), (55, 385934), (85, 249722), (110, 192967), (170, 124861), (187, 113510), (374, 56755), (935, 22702), (1870, 11351)]