21001296

素因数分解:

$2^4\times 3^1\times {\mathrm{437527}}^1$

素因数の和:437538

約数の個数: 20

約数和(自身を含む): 54253472

約数和(自身を除く): 33252176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 437527, 875054, 1312581, 1750108, 2625162, 3500216, 5250324, 7000432, 10500648, 21001296]

約数ペア:

[(1, 21001296), (2, 10500648), (3, 7000432), (4, 5250324), (6, 3500216), (8, 2625162), (12, 1750108), (16, 1312581), (24, 875054), (48, 437527)]