21176649

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3851}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 12474423

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3851, 5499, 11553, 34659, 50063, 150189, 180997, 450567, 542991, 1628973, 2352961, 7058883, 21176649]

約数ペア:

[(1, 21176649), (3, 7058883), (9, 2352961), (13, 1628973), (39, 542991), (47, 450567), (117, 180997), (141, 150189), (423, 50063), (611, 34659), (1833, 11553), (3851, 5499)]