21693853

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 24230016

約数和(自身を除く): 2536163

約数列:

[1, 17, 23, 113, 391, 491, 1921, 2599, 8347, 11293, 44183, 55483, 191981, 943211, 1276109, 21693853]

約数ペア:

[(1, 21693853), (17, 1276109), (23, 943211), (113, 191981), (391, 55483), (491, 44183), (1921, 11293), (2599, 8347)]