21105304

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{21803}}^1$

素因数の和:21831

約数の個数: 24

約数和(自身を含む): 43498980

約数和(自身を除く): 22393676

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 21803, 43606, 87212, 174424, 239833, 479666, 959332, 1918664, 2638163, 5276326, 10552652, 21105304]

約数ペア:

[(1, 21105304), (2, 10552652), (4, 5276326), (8, 2638163), (11, 1918664), (22, 959332), (44, 479666), (88, 239833), (121, 174424), (242, 87212), (484, 43606), (968, 21803)]