21982509

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 33490912

約数和(自身を除く): 11508403

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 1483, 1647, 4449, 4941, 13347, 14823, 40041, 90463, 120123, 271389, 360369, 814167, 2442501, 7327503, 21982509]

約数ペア:

[(1, 21982509), (3, 7327503), (9, 2442501), (27, 814167), (61, 360369), (81, 271389), (183, 120123), (243, 90463), (549, 40041), (1483, 14823), (1647, 13347), (4449, 4941)]