21913251

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3527}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 9133149

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3527, 6213, 10581, 67013, 201039, 384443, 1153329, 7304417, 21913251]

約数ペア:

[(1, 21913251), (3, 7304417), (19, 1153329), (57, 384443), (109, 201039), (327, 67013), (2071, 10581), (3527, 6213)]