21862471

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 23482368

約数和(自身を除く): 1619897

約数列:

[1, 31, 41, 103, 167, 1271, 3193, 4223, 5177, 6847, 17201, 130913, 212257, 533231, 705241, 21862471]

約数ペア:

[(1, 21862471), (31, 705241), (41, 533231), (103, 212257), (167, 130913), (1271, 17201), (3193, 6847), (4223, 5177)]