21361008

素因数分解:

$2^4\times 3^1\times {\mathrm{445021}}^1$

素因数の和:445032

約数の個数: 20

約数和(自身を含む): 55182728

約数和(自身を除く): 33821720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445021, 890042, 1335063, 1780084, 2670126, 3560168, 5340252, 7120336, 10680504, 21361008]

約数ペア:

[(1, 21361008), (2, 10680504), (3, 7120336), (4, 5340252), (6, 3560168), (8, 2670126), (12, 1780084), (16, 1335063), (24, 890042), (48, 445021)]