21497050

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2251}}^1$

素因数の和:2454

約数の個数: 24

約数和(自身を含む): 40211712

約数和(自身を除く): 18714662

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2251, 4502, 4775, 9550, 11255, 22510, 56275, 112550, 429941, 859882, 2149705, 4299410, 10748525, 21497050]

約数ペア:

[(1, 21497050), (2, 10748525), (5, 4299410), (10, 2149705), (25, 859882), (50, 429941), (191, 112550), (382, 56275), (955, 22510), (1910, 11255), (2251, 9550), (4502, 4775)]