21441968

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{1187}}^1$

素因数の和:2324

約数の個数: 20

約数和(自身を含む): 41615640

約数和(自身を除く): 20173672

約数列:

[1, 2, 4, 8, 16, 1129, 1187, 2258, 2374, 4516, 4748, 9032, 9496, 18064, 18992, 1340123, 2680246, 5360492, 10720984, 21441968]

約数ペア:

[(1, 21441968), (2, 10720984), (4, 5360492), (8, 2680246), (16, 1340123), (1129, 18992), (1187, 18064), (2258, 9496), (2374, 9032), (4516, 4748)]