21710490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19559}}^1$

素因数の和:19606

約数の個数: 32

約数和(自身を含む): 53516160

約数和(自身を除く): 31805670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19559, 39118, 58677, 97795, 117354, 195590, 293385, 586770, 723683, 1447366, 2171049, 3618415, 4342098, 7236830, 10855245, 21710490]

約数ペア:

[(1, 21710490), (2, 10855245), (3, 7236830), (5, 4342098), (6, 3618415), (10, 2171049), (15, 1447366), (30, 723683), (37, 586770), (74, 293385), (111, 195590), (185, 117354), (222, 97795), (370, 58677), (555, 39118), (1110, 19559)]