21328824

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 58631040

約数和(自身を除く): 37302216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 173, 264, 346, 467, 519, 692, 934, 1038, 1384, 1401, 1868, 1903, 2076, 2802, 3736, 3806, 4152, 5137, 5604, 5709, 7612, 10274, 11208, 11418, 15224, 15411, 20548, 22836, 30822, 41096, 45672, 61644, 80791, 123288, 161582, 242373, 323164, 484746, 646328, 888701, 969492, 1777402, 1938984, 2666103, 3554804, 5332206, 7109608, 10664412, 21328824]

約数ペア:

[(1, 21328824), (2, 10664412), (3, 7109608), (4, 5332206), (6, 3554804), (8, 2666103), (11, 1938984), (12, 1777402), (22, 969492), (24, 888701), (33, 646328), (44, 484746), (66, 323164), (88, 242373), (132, 161582), (173, 123288), (264, 80791), (346, 61644), (467, 45672), (519, 41096), (692, 30822), (934, 22836), (1038, 20548), (1384, 15411), (1401, 15224), (1868, 11418), (1903, 11208), (2076, 10274), (2802, 7612), (3736, 5709), (3806, 5604), (4152, 5137)]