21251135

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{367}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 26345856

約数和(自身を除く): 5094721

約数列:

[1, 5, 37, 185, 313, 367, 1565, 1835, 11581, 13579, 57905, 67895, 114871, 574355, 4250227, 21251135]

約数ペア:

[(1, 21251135), (5, 4250227), (37, 574355), (185, 114871), (313, 67895), (367, 57905), (1565, 13579), (1835, 11581)]