21393558

素因数分解:

$2^1\times 3^4\times {\mathrm{132059}}^1$

素因数の和:132073

約数の個数: 20

約数和(自身を含む): 47937780

約数和(自身を除く): 26544222

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132059, 264118, 396177, 792354, 1188531, 2377062, 3565593, 7131186, 10696779, 21393558]

約数ペア:

[(1, 21393558), (2, 10696779), (3, 7131186), (6, 3565593), (9, 2377062), (18, 1188531), (27, 792354), (54, 396177), (81, 264118), (162, 132059)]