21310135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55351}}^1$

素因数の和:55374

約数の個数: 16

約数和(自身を含む): 31882752

約数和(自身を除く): 10572617

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 55351, 276755, 387457, 608861, 1937285, 3044305, 4262027, 21310135]

約数ペア:

[(1, 21310135), (5, 4262027), (7, 3044305), (11, 1937285), (35, 608861), (55, 387457), (77, 276755), (385, 55351)]