21250608

素因数分解:

$2^4\times 3^1\times {\mathrm{442721}}^1$

素因数の和:442732

約数の個数: 20

約数和(自身を含む): 54897528

約数和(自身を除く): 33646920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442721, 885442, 1328163, 1770884, 2656326, 3541768, 5312652, 7083536, 10625304, 21250608]

約数ペア:

[(1, 21250608), (2, 10625304), (3, 7083536), (4, 5312652), (6, 3541768), (8, 2656326), (12, 1770884), (16, 1328163), (24, 885442), (48, 442721)]