21012782

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88289}}^1$

素因数の和:88315

約数の個数: 16

約数和(自身を含む): 38141280

約数和(自身を除く): 17128498

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88289, 176578, 618023, 1236046, 1500913, 3001826, 10506391, 21012782]

約数ペア:

[(1, 21012782), (2, 10506391), (7, 3001826), (14, 1500913), (17, 1236046), (34, 618023), (119, 176578), (238, 88289)]