21285750872073

素因数分解:

$3^1\times {\mathrm{557}}^1\times {\mathrm{1721}}^1\times {\mathrm{7401703}}^1$

素因数の和:7403984

約数の個数: 16

約数和(自身を含む): 28448478930816

約数和(自身を除く): 7162728058743

約数列:

[1, 3, 557, 1671, 1721, 5163, 958597, 2875791, 7401703, 22205109, 4122748571, 12368245713, 12738330863, 38214992589, 7095250290691, 21285750872073]

約数ペア:

[(1, 21285750872073), (3, 7095250290691), (557, 38214992589), (1671, 12738330863), (1721, 12368245713), (5163, 4122748571), (958597, 22205109), (2875791, 7401703)]