21173472321

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{336263}}^1$

素因数の和:336556

約数の個数: 16

約数和(自身を含む): 28622791680

約数和(自身を除く): 7449319359

約数列:

[1, 3, 139, 151, 417, 453, 20989, 62967, 336263, 1008789, 46740557, 50775713, 140221671, 152327139, 7057824107, 21173472321]

約数ペア:

[(1, 21173472321), (3, 7057824107), (139, 152327139), (151, 140221671), (417, 50775713), (453, 46740557), (20989, 1008789), (62967, 336263)]