21000918065

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1\times {\mathrm{29327}}^1$

素因数の和:30256

約数の個数: 16

約数和(自身を含む): 25364731392

約数和(自身を除く): 4363813327

約数列:

[1, 5, 197, 727, 985, 3635, 29327, 143219, 146635, 716095, 5777419, 21320729, 28887095, 106603645, 4200183613, 21000918065]

約数ペア:

[(1, 21000918065), (5, 4200183613), (197, 106603645), (727, 28887095), (985, 21320729), (3635, 5777419), (29327, 716095), (143219, 146635)]