21285216

素因数分解:

$2^5\times 3^2\times {\mathrm{73907}}^1$

素因数の和:73923

約数の個数: 36

約数和(自身を含む): 60530652

約数和(自身を除く): 39245436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73907, 147814, 221721, 295628, 443442, 591256, 665163, 886884, 1182512, 1330326, 1773768, 2365024, 2660652, 3547536, 5321304, 7095072, 10642608, 21285216]

約数ペア:

[(1, 21285216), (2, 10642608), (3, 7095072), (4, 5321304), (6, 3547536), (8, 2660652), (9, 2365024), (12, 1773768), (16, 1330326), (18, 1182512), (24, 886884), (32, 665163), (36, 591256), (48, 443442), (72, 295628), (96, 221721), (144, 147814), (288, 73907)]