21999840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45833}}^1$

素因数の和:45851

約数の個数: 48

約数和(自身を含む): 69301008

約数和(自身を除く): 47301168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45833, 91666, 137499, 183332, 229165, 274998, 366664, 458330, 549996, 687495, 733328, 916660, 1099992, 1374990, 1466656, 1833320, 2199984, 2749980, 3666640, 4399968, 5499960, 7333280, 10999920, 21999840]

約数ペア:

[(1, 21999840), (2, 10999920), (3, 7333280), (4, 5499960), (5, 4399968), (6, 3666640), (8, 2749980), (10, 2199984), (12, 1833320), (15, 1466656), (16, 1374990), (20, 1099992), (24, 916660), (30, 733328), (32, 687495), (40, 549996), (48, 458330), (60, 366664), (80, 274998), (96, 229165), (120, 183332), (160, 137499), (240, 91666), (480, 45833)]