21394190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{112601}}^1$

素因数の和:112627

約数の個数: 16

約数和(自身を含む): 40536720

約数和(自身を除く): 19142530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 112601, 225202, 563005, 1126010, 2139419, 4278838, 10697095, 21394190]

約数ペア:

[(1, 21394190), (2, 10697095), (5, 4278838), (10, 2139419), (19, 1126010), (38, 563005), (95, 225202), (190, 112601)]