21466835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19427}}^1$

素因数の和:19462

約数の個数: 16

約数和(自身を含む): 29375136

約数和(自身を除く): 7908301

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19427, 97135, 252551, 330259, 1262755, 1651295, 4293367, 21466835]

約数ペア:

[(1, 21466835), (5, 4293367), (13, 1651295), (17, 1262755), (65, 330259), (85, 252551), (221, 97135), (1105, 19427)]