21000895505

素因数分解:

$5^1\times {\mathrm{709}}^1\times {\mathrm{1171}}^1\times {\mathrm{5059}}^1$

素因数の和:6944

約数の個数: 16

約数和(自身を含む): 25263163200

約数和(自身を除く): 4262267695

約数列:

[1, 5, 709, 1171, 3545, 5059, 5855, 25295, 830239, 3586831, 4151195, 5924089, 17934155, 29620445, 4200179101, 21000895505]

約数ペア:

[(1, 21000895505), (5, 4200179101), (709, 29620445), (1171, 17934155), (3545, 5924089), (5059, 4151195), (5855, 3586831), (25295, 830239)]