21555952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122477}}^1$

素因数の和:122496

約数の個数: 20

約数和(自身を含む): 45561816

約数和(自身を除く): 24005864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122477, 244954, 489908, 979816, 1347247, 1959632, 2694494, 5388988, 10777976, 21555952]

約数ペア:

[(1, 21555952), (2, 10777976), (4, 5388988), (8, 2694494), (11, 1959632), (16, 1347247), (22, 979816), (44, 489908), (88, 244954), (176, 122477)]