21857916

素因数分解:

$2^2\times 3^1\times {\mathrm{331}}^1\times {\mathrm{5503}}^1$

素因数の和:5841

約数の個数: 24

約数和(自身を含む): 51165184

約数和(自身を除く): 29307268

約数列:

[1, 2, 3, 4, 6, 12, 331, 662, 993, 1324, 1986, 3972, 5503, 11006, 16509, 22012, 33018, 66036, 1821493, 3642986, 5464479, 7285972, 10928958, 21857916]

約数ペア:

[(1, 21857916), (2, 10928958), (3, 7285972), (4, 5464479), (6, 3642986), (12, 1821493), (331, 66036), (662, 33018), (993, 22012), (1324, 16509), (1986, 11006), (3972, 5503)]