21283780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152027}}^1$

素因数の和:152043

約数の個数: 24

約数和(自身を含む): 51081408

約数和(自身を除く): 29797628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152027, 304054, 608108, 760135, 1064189, 1520270, 2128378, 3040540, 4256756, 5320945, 10641890, 21283780]

約数ペア:

[(1, 21283780), (2, 10641890), (4, 5320945), (5, 4256756), (7, 3040540), (10, 2128378), (14, 1520270), (20, 1064189), (28, 760135), (35, 608108), (70, 304054), (140, 152027)]