21755494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7247}}^1$

素因数の和:7347

約数の個数: 16

約数和(自身を含む): 34790400

約数和(自身を除く): 13034906

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7247, 14494, 137693, 275386, 572513, 1145026, 10877747, 21755494]

約数ペア:

[(1, 21755494), (2, 10877747), (19, 1145026), (38, 572513), (79, 275386), (158, 137693), (1501, 14494), (3002, 7247)]