21745422

素因数分解:

$2^1\times 3^4\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:782

約数の個数: 40

約数和(自身を含む): 49005000

約数和(自身を除く): 27259578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 269, 499, 538, 807, 998, 1497, 1614, 2421, 2994, 4491, 4842, 7263, 8982, 13473, 14526, 21789, 26946, 40419, 43578, 80838, 134231, 268462, 402693, 805386, 1208079, 2416158, 3624237, 7248474, 10872711, 21745422]

約数ペア:

[(1, 21745422), (2, 10872711), (3, 7248474), (6, 3624237), (9, 2416158), (18, 1208079), (27, 805386), (54, 402693), (81, 268462), (162, 134231), (269, 80838), (499, 43578), (538, 40419), (807, 26946), (998, 21789), (1497, 14526), (1614, 13473), (2421, 8982), (2994, 7263), (4491, 4842)]