21650818

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{29179}}^1$

素因数の和:29241

約数の個数: 16

約数和(自身を含む): 37817280

約数和(自身を除く): 16166462

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 29179, 58358, 204253, 408506, 1546487, 3092974, 10825409, 21650818]

約数ペア:

[(1, 21650818), (2, 10825409), (7, 3092974), (14, 1546487), (53, 408506), (106, 204253), (371, 58358), (742, 29179)]