21341242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12251}}^1$

素因数の和:12333

約数の個数: 16

約数和(自身を含む): 34991712

約数和(自身を除く): 13650470

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12251, 24502, 159263, 318526, 820817, 1641634, 10670621, 21341242]

約数ペア:

[(1, 21341242), (2, 10670621), (13, 1641634), (26, 820817), (67, 318526), (134, 159263), (871, 24502), (1742, 12251)]