21472971

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 31789296

約数和(自身を除く): 10316325

約数列:

[1, 3, 13, 39, 41, 123, 169, 507, 533, 1033, 1599, 3099, 6929, 13429, 20787, 40287, 42353, 127059, 174577, 523731, 550589, 1651767, 7157657, 21472971]

約数ペア:

[(1, 21472971), (3, 7157657), (13, 1651767), (39, 550589), (41, 523731), (123, 174577), (169, 127059), (507, 42353), (533, 40287), (1033, 20787), (1599, 13429), (3099, 6929)]