21179918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{15877}}^1$

素因数の和:15931

約数の個数: 16

約数和(自身を含む): 34296480

約数和(自身を除く): 13116562

約数列:

[1, 2, 23, 29, 46, 58, 667, 1334, 15877, 31754, 365171, 460433, 730342, 920866, 10589959, 21179918]

約数ペア:

[(1, 21179918), (2, 10589959), (23, 920866), (29, 730342), (46, 460433), (58, 365171), (667, 31754), (1334, 15877)]