21847077

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 38054016

約数和(自身を除く): 16206939

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 727, 1113, 1431, 2181, 3339, 4293, 5089, 6543, 10017, 15267, 19629, 30051, 38531, 45801, 58887, 115593, 137403, 269717, 346779, 412209, 809151, 1040337, 2427453, 3121011, 7282359, 21847077]

約数ペア:

[(1, 21847077), (3, 7282359), (7, 3121011), (9, 2427453), (21, 1040337), (27, 809151), (53, 412209), (63, 346779), (81, 269717), (159, 137403), (189, 115593), (371, 58887), (477, 45801), (567, 38531), (727, 30051), (1113, 19629), (1431, 15267), (2181, 10017), (3339, 6543), (4293, 5089)]