21793035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{491}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 16464885

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 269, 491, 807, 1345, 1473, 2455, 2959, 4035, 5401, 7365, 8877, 14795, 16203, 27005, 44385, 81015, 132079, 396237, 660395, 1452869, 1981185, 4358607, 7264345, 21793035]

約数ペア:

[(1, 21793035), (3, 7264345), (5, 4358607), (11, 1981185), (15, 1452869), (33, 660395), (55, 396237), (165, 132079), (269, 81015), (491, 44385), (807, 27005), (1345, 16203), (1473, 14795), (2455, 8877), (2959, 7365), (4035, 5401)]