21764784

素因数分解:

$2^4\times 3^1\times {\mathrm{173}}^1\times {\mathrm{2621}}^1$

素因数の和:2805

約数の個数: 40

約数和(自身を含む): 56572272

約数和(自身を除く): 34807488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 173, 346, 519, 692, 1038, 1384, 2076, 2621, 2768, 4152, 5242, 7863, 8304, 10484, 15726, 20968, 31452, 41936, 62904, 125808, 453433, 906866, 1360299, 1813732, 2720598, 3627464, 5441196, 7254928, 10882392, 21764784]

約数ペア:

[(1, 21764784), (2, 10882392), (3, 7254928), (4, 5441196), (6, 3627464), (8, 2720598), (12, 1813732), (16, 1360299), (24, 906866), (48, 453433), (173, 125808), (346, 62904), (519, 41936), (692, 31452), (1038, 20968), (1384, 15726), (2076, 10484), (2621, 8304), (2768, 7863), (4152, 5242)]