21193303

素因数分解:

${\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 1789097

約数列:

[1, 19, 83, 89, 151, 1577, 1691, 2869, 7387, 12533, 13439, 140353, 238127, 255341, 1115437, 21193303]

約数ペア:

[(1, 21193303), (19, 1115437), (83, 255341), (89, 238127), (151, 140353), (1577, 13439), (1691, 12533), (2869, 7387)]