21439206

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{32191}}^1$

素因数の和:32236

約数の個数: 24

約数和(自身を含む): 47708544

約数和(自身を除く): 26269338

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 32191, 64382, 96573, 193146, 289719, 579438, 1191067, 2382134, 3573201, 7146402, 10719603, 21439206]

約数ペア:

[(1, 21439206), (2, 10719603), (3, 7146402), (6, 3573201), (9, 2382134), (18, 1191067), (37, 579438), (74, 289719), (111, 193146), (222, 96573), (333, 64382), (666, 32191)]