21854612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{863}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 41319936

約数和(自身を除く): 19465324

約数列:

[1, 2, 4, 13, 26, 52, 487, 863, 974, 1726, 1948, 3452, 6331, 11219, 12662, 22438, 25324, 44876, 420281, 840562, 1681124, 5463653, 10927306, 21854612]

約数ペア:

[(1, 21854612), (2, 10927306), (4, 5463653), (13, 1681124), (26, 840562), (52, 420281), (487, 44876), (863, 25324), (974, 22438), (1726, 12662), (1948, 11219), (3452, 6331)]