21532972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 39130112

約数和(自身を除く): 17597140

約数列:

[1, 2, 4, 31, 62, 124, 211, 422, 823, 844, 1646, 3292, 6541, 13082, 25513, 26164, 51026, 102052, 173653, 347306, 694612, 5383243, 10766486, 21532972]

約数ペア:

[(1, 21532972), (2, 10766486), (4, 5383243), (31, 694612), (62, 347306), (124, 173653), (211, 102052), (422, 51026), (823, 26164), (844, 25513), (1646, 13082), (3292, 6541)]