21697117

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3167}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 3849635

約数列:

[1, 13, 17, 31, 221, 403, 527, 3167, 6851, 41171, 53839, 98177, 699907, 1276301, 1669009, 21697117]

約数ペア:

[(1, 21697117), (13, 1669009), (17, 1276301), (31, 699907), (221, 98177), (403, 53839), (527, 41171), (3167, 6851)]