21995874

素因数分解:

$2^1\times 3^5\times {\mathrm{45259}}^1$

素因数の和:45276

約数の個数: 24

約数和(自身を含む): 49423920

約数和(自身を除く): 27428046

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 45259, 90518, 135777, 271554, 407331, 814662, 1221993, 2443986, 3665979, 7331958, 10997937, 21995874]

約数ペア:

[(1, 21995874), (2, 10997937), (3, 7331958), (6, 3665979), (9, 2443986), (18, 1221993), (27, 814662), (54, 407331), (81, 271554), (162, 135777), (243, 90518), (486, 45259)]