21756906

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 50496264

約数和(自身を除く): 28739358

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 97, 102, 153, 194, 291, 306, 582, 733, 873, 1466, 1649, 1746, 2199, 3298, 4398, 4947, 6597, 9894, 12461, 13194, 14841, 24922, 29682, 37383, 71101, 74766, 112149, 142202, 213303, 224298, 426606, 639909, 1208717, 1279818, 2417434, 3626151, 7252302, 10878453, 21756906]

約数ペア:

[(1, 21756906), (2, 10878453), (3, 7252302), (6, 3626151), (9, 2417434), (17, 1279818), (18, 1208717), (34, 639909), (51, 426606), (97, 224298), (102, 213303), (153, 142202), (194, 112149), (291, 74766), (306, 71101), (582, 37383), (733, 29682), (873, 24922), (1466, 14841), (1649, 13194), (1746, 12461), (2199, 9894), (3298, 6597), (4398, 4947)]