21943390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313477}}^1$

素因数の和:313491

約数の個数: 16

約数和(自身を含む): 45140832

約数和(自身を除く): 23197442

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313477, 626954, 1567385, 2194339, 3134770, 4388678, 10971695, 21943390]

約数ペア:

[(1, 21943390), (2, 10971695), (5, 4388678), (7, 3134770), (10, 2194339), (14, 1567385), (35, 626954), (70, 313477)]