21684168

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 68468400

約数和(自身を除く): 46784232

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 114, 121, 131, 132, 152, 171, 198, 209, 228, 242, 262, 264, 342, 363, 393, 396, 418, 456, 484, 524, 627, 684, 726, 786, 792, 836, 968, 1048, 1089, 1179, 1254, 1368, 1441, 1452, 1572, 1672, 1881, 2178, 2299, 2358, 2489, 2508, 2882, 2904, 3144, 3762, 4323, 4356, 4598, 4716, 4978, 5016, 5764, 6897, 7467, 7524, 8646, 8712, 9196, 9432, 9956, 11528, 12969, 13794, 14934, 15048, 15851, 17292, 18392, 19912, 20691, 22401, 25938, 27379, 27588, 29868, 31702, 34584, 41382, 44802, 47553, 51876, 54758, 55176, 59736, 63404, 82137, 82764, 89604, 95106, 103752, 109516, 126808, 142659, 164274, 165528, 179208, 190212, 219032, 246411, 285318, 301169, 328548, 380424, 492822, 570636, 602338, 657096, 903507, 985644, 1141272, 1204676, 1807014, 1971288, 2409352, 2710521, 3614028, 5421042, 7228056, 10842084, 21684168]

約数ペア:

[(1, 21684168), (2, 10842084), (3, 7228056), (4, 5421042), (6, 3614028), (8, 2710521), (9, 2409352), (11, 1971288), (12, 1807014), (18, 1204676), (19, 1141272), (22, 985644), (24, 903507), (33, 657096), (36, 602338), (38, 570636), (44, 492822), (57, 380424), (66, 328548), (72, 301169), (76, 285318), (88, 246411), (99, 219032), (114, 190212), (121, 179208), (131, 165528), (132, 164274), (152, 142659), (171, 126808), (198, 109516), (209, 103752), (228, 95106), (242, 89604), (262, 82764), (264, 82137), (342, 63404), (363, 59736), (393, 55176), (396, 54758), (418, 51876), (456, 47553), (484, 44802), (524, 41382), (627, 34584), (684, 31702), (726, 29868), (786, 27588), (792, 27379), (836, 25938), (968, 22401), (1048, 20691), (1089, 19912), (1179, 18392), (1254, 17292), (1368, 15851), (1441, 15048), (1452, 14934), (1572, 13794), (1672, 12969), (1881, 11528), (2178, 9956), (2299, 9432), (2358, 9196), (2489, 8712), (2508, 8646), (2882, 7524), (2904, 7467), (3144, 6897), (3762, 5764), (4323, 5016), (4356, 4978), (4598, 4716)]