21262982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8431}}^1$

素因数の和:8543

約数の個数: 16

約数和(自身を含む): 34706112

約数和(自身を除く): 13443130

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8431, 16862, 109603, 219206, 817807, 1635614, 10631491, 21262982]

約数ペア:

[(1, 21262982), (2, 10631491), (13, 1635614), (26, 817807), (97, 219206), (194, 109603), (1261, 16862), (2522, 8431)]