21876888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 60134400

約数和(自身を除く): 38257512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 173, 264, 346, 479, 519, 692, 958, 1038, 1384, 1437, 1903, 1916, 2076, 2874, 3806, 3832, 4152, 5269, 5709, 5748, 7612, 10538, 11418, 11496, 15224, 15807, 21076, 22836, 31614, 42152, 45672, 63228, 82867, 126456, 165734, 248601, 331468, 497202, 662936, 911537, 994404, 1823074, 1988808, 2734611, 3646148, 5469222, 7292296, 10938444, 21876888]

約数ペア:

[(1, 21876888), (2, 10938444), (3, 7292296), (4, 5469222), (6, 3646148), (8, 2734611), (11, 1988808), (12, 1823074), (22, 994404), (24, 911537), (33, 662936), (44, 497202), (66, 331468), (88, 248601), (132, 165734), (173, 126456), (264, 82867), (346, 63228), (479, 45672), (519, 42152), (692, 31614), (958, 22836), (1038, 21076), (1384, 15807), (1437, 15224), (1903, 11496), (1916, 11418), (2076, 10538), (2874, 7612), (3806, 5748), (3832, 5709), (4152, 5269)]