21792040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23687}}^1$

素因数の和:23721

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 29374040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23687, 47374, 94748, 118435, 189496, 236870, 473740, 544801, 947480, 1089602, 2179204, 2724005, 4358408, 5448010, 10896020, 21792040]

約数ペア:

[(1, 21792040), (2, 10896020), (4, 5448010), (5, 4358408), (8, 2724005), (10, 2179204), (20, 1089602), (23, 947480), (40, 544801), (46, 473740), (92, 236870), (115, 189496), (184, 118435), (230, 94748), (460, 47374), (920, 23687)]