21416343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{5437}}^1$

素因数の和:5554

約数の個数: 16

約数和(自身を含む): 31061856

約数和(自身を除く): 9645513

約数列:

[1, 3, 13, 39, 101, 303, 1313, 3939, 5437, 16311, 70681, 212043, 549137, 1647411, 7138781, 21416343]

約数ペア:

[(1, 21416343), (3, 7138781), (13, 1647411), (39, 549137), (101, 212043), (303, 70681), (1313, 16311), (3939, 5437)]