21411638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1229}}^1$

素因数の和:1543

約数の個数: 16

約数和(自身を含む): 33298560

約数和(自身を除く): 11886922

約数列:

[1, 2, 31, 62, 281, 562, 1229, 2458, 8711, 17422, 38099, 76198, 345349, 690698, 10705819, 21411638]

約数ペア:

[(1, 21411638), (2, 10705819), (31, 690698), (62, 345349), (281, 76198), (562, 38099), (1229, 17422), (2458, 8711)]