21997860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366631}}^1$

素因数の和:366643

約数の個数: 24

約数和(自身を含む): 61594176

約数和(自身を除く): 39596316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366631, 733262, 1099893, 1466524, 1833155, 2199786, 3666310, 4399572, 5499465, 7332620, 10998930, 21997860]

約数ペア:

[(1, 21997860), (2, 10998930), (3, 7332620), (4, 5499465), (5, 4399572), (6, 3666310), (10, 2199786), (12, 1833155), (15, 1466524), (20, 1099893), (30, 733262), (60, 366631)]