21851208

素因数分解:

$2^3\times 3^4\times {\mathrm{33721}}^1$

素因数の和:33739

約数の個数: 40

約数和(自身を含む): 61205430

約数和(自身を除く): 39354222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 33721, 67442, 101163, 134884, 202326, 269768, 303489, 404652, 606978, 809304, 910467, 1213956, 1820934, 2427912, 2731401, 3641868, 5462802, 7283736, 10925604, 21851208]

約数ペア:

[(1, 21851208), (2, 10925604), (3, 7283736), (4, 5462802), (6, 3641868), (8, 2731401), (9, 2427912), (12, 1820934), (18, 1213956), (24, 910467), (27, 809304), (36, 606978), (54, 404652), (72, 303489), (81, 269768), (108, 202326), (162, 134884), (216, 101163), (324, 67442), (648, 33721)]