21864940

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2341}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 46034352

約数和(自身を除く): 24169412

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2335, 2341, 4670, 4682, 9340, 9364, 11705, 23410, 46820, 1093247, 2186494, 4372988, 5466235, 10932470, 21864940]

約数ペア:

[(1, 21864940), (2, 10932470), (4, 5466235), (5, 4372988), (10, 2186494), (20, 1093247), (467, 46820), (934, 23410), (1868, 11705), (2335, 9364), (2341, 9340), (4670, 4682)]