21306306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12373}}^1$

素因数の和:12426

約数の個数: 32

約数和(自身を含む): 49891968

約数和(自身を除く): 28585662

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12373, 24746, 37119, 74238, 86611, 173222, 259833, 507293, 519666, 1014586, 1521879, 3043758, 3551051, 7102102, 10653153, 21306306]

約数ペア:

[(1, 21306306), (2, 10653153), (3, 7102102), (6, 3551051), (7, 3043758), (14, 1521879), (21, 1014586), (41, 519666), (42, 507293), (82, 259833), (123, 173222), (246, 86611), (287, 74238), (574, 37119), (861, 24746), (1722, 12373)]