21629866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8017}}^1$

素因数の和:8109

約数の個数: 16

約数和(自身を含む): 34637760

約数和(自身を除く): 13007894

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 8017, 16034, 152323, 304646, 569207, 1138414, 10814933, 21629866]

約数ペア:

[(1, 21629866), (2, 10814933), (19, 1138414), (38, 569207), (71, 304646), (142, 152323), (1349, 16034), (2698, 8017)]