21123962

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13219}}^1$

素因数の和:13285

約数の個数: 16

約数和(自身を含む): 34266240

約数和(自身を除く): 13142278

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 13219, 26438, 224723, 449446, 621293, 1242586, 10561981, 21123962]

約数ペア:

[(1, 21123962), (2, 10561981), (17, 1242586), (34, 621293), (47, 449446), (94, 224723), (799, 26438), (1598, 13219)]