21903081

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5011}}^1$

素因数の和:5092

約数の個数: 16

約数和(自身を含む): 30793728

約数和(自身を除く): 8890647

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 5011, 15033, 155341, 235517, 466023, 706551, 7301027, 21903081]

約数ペア:

[(1, 21903081), (3, 7301027), (31, 706551), (47, 466023), (93, 235517), (141, 155341), (1457, 15033), (4371, 5011)]