21514810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{74189}}^1$

素因数の和:74225

約数の個数: 16

約数和(自身を含む): 40062600

約数和(自身を除く): 18547790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 74189, 148378, 370945, 741890, 2151481, 4302962, 10757405, 21514810]

約数ペア:

[(1, 21514810), (2, 10757405), (5, 4302962), (10, 2151481), (29, 741890), (58, 370945), (145, 148378), (290, 74189)]