21800724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 55774656

約数和(自身を除く): 33973932

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 317, 521, 634, 951, 1042, 1268, 1563, 1902, 2084, 3126, 3487, 3804, 5731, 6252, 6974, 10461, 11462, 13948, 17193, 20922, 22924, 34386, 41844, 68772, 165157, 330314, 495471, 660628, 990942, 1816727, 1981884, 3633454, 5450181, 7266908, 10900362, 21800724]

約数ペア:

[(1, 21800724), (2, 10900362), (3, 7266908), (4, 5450181), (6, 3633454), (11, 1981884), (12, 1816727), (22, 990942), (33, 660628), (44, 495471), (66, 330314), (132, 165157), (317, 68772), (521, 41844), (634, 34386), (951, 22924), (1042, 20922), (1268, 17193), (1563, 13948), (1902, 11462), (2084, 10461), (3126, 6974), (3487, 6252), (3804, 5731)]