21986620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47797}}^1$

素因数の和:47829

約数の個数: 24

約数和(自身を含む): 48180384

約数和(自身を除く): 26193764

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47797, 95594, 191188, 238985, 477970, 955940, 1099331, 2198662, 4397324, 5496655, 10993310, 21986620]

約数ペア:

[(1, 21986620), (2, 10993310), (4, 5496655), (5, 4397324), (10, 2198662), (20, 1099331), (23, 955940), (46, 477970), (92, 238985), (115, 191188), (230, 95594), (460, 47797)]