21131782

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88789}}^1$

素因数の和:88815

約数の個数: 16

約数和(自身を含む): 38357280

約数和(自身を除く): 17225498

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88789, 177578, 621523, 1243046, 1509413, 3018826, 10565891, 21131782]

約数ペア:

[(1, 21131782), (2, 10565891), (7, 3018826), (14, 1509413), (17, 1243046), (34, 621523), (119, 177578), (238, 88789)]