21435240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178627}}^1$

素因数の和:178641

約数の個数: 32

約数和(自身を含む): 64306080

約数和(自身を除く): 42870840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178627, 357254, 535881, 714508, 893135, 1071762, 1429016, 1786270, 2143524, 2679405, 3572540, 4287048, 5358810, 7145080, 10717620, 21435240]

約数ペア:

[(1, 21435240), (2, 10717620), (3, 7145080), (4, 5358810), (5, 4287048), (6, 3572540), (8, 2679405), (10, 2143524), (12, 1786270), (15, 1429016), (20, 1071762), (24, 893135), (30, 714508), (40, 535881), (60, 357254), (120, 178627)]