21376272

素因数分解:

$2^4\times 3^1\times {\mathrm{445339}}^1$

素因数の和:445350

約数の個数: 20

約数和(自身を含む): 55222160

約数和(自身を除く): 33845888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445339, 890678, 1336017, 1781356, 2672034, 3562712, 5344068, 7125424, 10688136, 21376272]

約数ペア:

[(1, 21376272), (2, 10688136), (3, 7125424), (4, 5344068), (6, 3562712), (8, 2672034), (12, 1781356), (16, 1336017), (24, 890678), (48, 445339)]