21688524

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 108

約数和(自身を含む): 65065728

約数和(自身を除く): 43377204

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 121, 132, 143, 156, 198, 234, 242, 286, 363, 383, 396, 429, 468, 484, 572, 726, 766, 858, 1089, 1149, 1287, 1452, 1532, 1573, 1716, 2178, 2298, 2574, 3146, 3447, 4213, 4356, 4596, 4719, 4979, 5148, 6292, 6894, 8426, 9438, 9958, 12639, 13788, 14157, 14937, 16852, 18876, 19916, 25278, 28314, 29874, 37917, 44811, 46343, 50556, 54769, 56628, 59748, 75834, 89622, 92686, 109538, 139029, 151668, 164307, 179244, 185372, 219076, 278058, 328614, 417087, 492921, 556116, 602459, 657228, 834174, 985842, 1204918, 1668348, 1807377, 1971684, 2409836, 3614754, 5422131, 7229508, 10844262, 21688524]

約数ペア:

[(1, 21688524), (2, 10844262), (3, 7229508), (4, 5422131), (6, 3614754), (9, 2409836), (11, 1971684), (12, 1807377), (13, 1668348), (18, 1204918), (22, 985842), (26, 834174), (33, 657228), (36, 602459), (39, 556116), (44, 492921), (52, 417087), (66, 328614), (78, 278058), (99, 219076), (117, 185372), (121, 179244), (132, 164307), (143, 151668), (156, 139029), (198, 109538), (234, 92686), (242, 89622), (286, 75834), (363, 59748), (383, 56628), (396, 54769), (429, 50556), (468, 46343), (484, 44811), (572, 37917), (726, 29874), (766, 28314), (858, 25278), (1089, 19916), (1149, 18876), (1287, 16852), (1452, 14937), (1532, 14157), (1573, 13788), (1716, 12639), (2178, 9958), (2298, 9438), (2574, 8426), (3146, 6894), (3447, 6292), (4213, 5148), (4356, 4979), (4596, 4719)]