21778956

素因数分解:

$2^2\times 3^4\times {\mathrm{67219}}^1$

素因数の和:67235

約数の個数: 30

約数和(自身を含む): 56935340

約数和(自身を除く): 35156384

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 67219, 134438, 201657, 268876, 403314, 604971, 806628, 1209942, 1814913, 2419884, 3629826, 5444739, 7259652, 10889478, 21778956]

約数ペア:

[(1, 21778956), (2, 10889478), (3, 7259652), (4, 5444739), (6, 3629826), (9, 2419884), (12, 1814913), (18, 1209942), (27, 806628), (36, 604971), (54, 403314), (81, 268876), (108, 201657), (162, 134438), (324, 67219)]