21105610

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5879}}^1$

素因数の和:6245

約数の個数: 16

約数和(自身を含む): 38102400

約数和(自身を除く): 16996790

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 5879, 11758, 29395, 58790, 2110561, 4221122, 10552805, 21105610]

約数ペア:

[(1, 21105610), (2, 10552805), (5, 4221122), (10, 2110561), (359, 58790), (718, 29395), (1795, 11758), (3590, 5879)]