21078682

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 32175360

約数和(自身を除く): 11096678

約数列:

[1, 2, 97, 179, 194, 358, 607, 1214, 17363, 34726, 58879, 108653, 117758, 217306, 10539341, 21078682]

約数ペア:

[(1, 21078682), (2, 10539341), (97, 217306), (179, 117758), (194, 108653), (358, 58879), (607, 34726), (1214, 17363)]