21982753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 25345600

約数和(自身を除く): 3362847

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1459, 15067, 18967, 27721, 88999, 360373, 1156987, 1690981, 21982753]

約数ペア:

[(1, 21982753), (13, 1690981), (19, 1156987), (61, 360373), (247, 88999), (793, 27721), (1159, 18967), (1459, 15067)]