21209156631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{3917}}^1\times {\mathrm{46279}}^1$

素因数の和:50215

約数の個数: 24

約数和(自身を含む): 33001157280

約数和(自身を除く): 11792000649

約数列:

[1, 3, 9, 13, 39, 117, 3917, 11751, 35253, 46279, 50921, 138837, 152763, 416511, 458289, 601627, 1804881, 5414643, 181274843, 543824529, 1631473587, 2356572959, 7069718877, 21209156631]

約数ペア:

[(1, 21209156631), (3, 7069718877), (9, 2356572959), (13, 1631473587), (39, 543824529), (117, 181274843), (3917, 5414643), (11751, 1804881), (35253, 601627), (46279, 458289), (50921, 416511), (138837, 152763)]