21661366

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 24

約数和(自身を含む): 35355960

約数和(自身を除く): 13694594

約数列:

[1, 2, 17, 34, 41, 82, 379, 697, 758, 1394, 1681, 3362, 6443, 12886, 15539, 28577, 31078, 57154, 264163, 528326, 637099, 1274198, 10830683, 21661366]

約数ペア:

[(1, 21661366), (2, 10830683), (17, 1274198), (34, 637099), (41, 528326), (82, 264163), (379, 57154), (697, 31078), (758, 28577), (1394, 15539), (1681, 12886), (3362, 6443)]