21274850

素因数分解:

$2^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{919}}^1$

素因数の和:1394

約数の個数: 24

約数和(自身を含む): 39699840

約数和(自身を除く): 18424990

約数列:

[1, 2, 5, 10, 25, 50, 463, 919, 926, 1838, 2315, 4595, 4630, 9190, 11575, 22975, 23150, 45950, 425497, 850994, 2127485, 4254970, 10637425, 21274850]

約数ペア:

[(1, 21274850), (2, 10637425), (5, 4254970), (10, 2127485), (25, 850994), (50, 425497), (463, 45950), (919, 23150), (926, 22975), (1838, 11575), (2315, 9190), (4595, 4630)]