21335724

素因数分解:

$2^2\times 3^4\times {\mathrm{65851}}^1$

素因数の和:65867

約数の個数: 30

約数和(自身を含む): 55776644

約数和(自身を除く): 34440920

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65851, 131702, 197553, 263404, 395106, 592659, 790212, 1185318, 1777977, 2370636, 3555954, 5333931, 7111908, 10667862, 21335724]

約数ペア:

[(1, 21335724), (2, 10667862), (3, 7111908), (4, 5333931), (6, 3555954), (9, 2370636), (12, 1777977), (18, 1185318), (27, 790212), (36, 592659), (54, 395106), (81, 263404), (108, 197553), (162, 131702), (324, 65851)]