21314390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112181}}^1$

素因数の和:112207

約数の個数: 16

約数和(自身を含む): 40385520

約数和(自身を除く): 19071130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 112181, 224362, 560905, 1121810, 2131439, 4262878, 10657195, 21314390]

約数ペア:

[(1, 21314390), (2, 10657195), (5, 4262878), (10, 2131439), (19, 1121810), (38, 560905), (95, 224362), (190, 112181)]