21162744

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1699}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 57681000

約数和(自身を除く): 36518256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1699, 2076, 3114, 3398, 4152, 5097, 6228, 6796, 10194, 12456, 13592, 15291, 20388, 30582, 40776, 61164, 122328, 293927, 587854, 881781, 1175708, 1763562, 2351416, 2645343, 3527124, 5290686, 7054248, 10581372, 21162744]

約数ペア:

[(1, 21162744), (2, 10581372), (3, 7054248), (4, 5290686), (6, 3527124), (8, 2645343), (9, 2351416), (12, 1763562), (18, 1175708), (24, 881781), (36, 587854), (72, 293927), (173, 122328), (346, 61164), (519, 40776), (692, 30582), (1038, 20388), (1384, 15291), (1557, 13592), (1699, 12456), (2076, 10194), (3114, 6796), (3398, 6228), (4152, 5097)]