21657834

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 55961280

約数和(自身を除く): 34303446

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 101, 114, 171, 198, 202, 209, 297, 303, 342, 361, 418, 513, 594, 606, 627, 722, 909, 1026, 1083, 1111, 1254, 1818, 1881, 1919, 2166, 2222, 2727, 3249, 3333, 3762, 3838, 3971, 5454, 5643, 5757, 6498, 6666, 7942, 9747, 9999, 11286, 11514, 11913, 17271, 19494, 19998, 21109, 23826, 29997, 34542, 35739, 36461, 42218, 51813, 59994, 63327, 71478, 72922, 103626, 107217, 109383, 126654, 189981, 214434, 218766, 328149, 379962, 401071, 569943, 656298, 802142, 984447, 1139886, 1203213, 1968894, 2406426, 3609639, 7219278, 10828917, 21657834]

約数ペア:

[(1, 21657834), (2, 10828917), (3, 7219278), (6, 3609639), (9, 2406426), (11, 1968894), (18, 1203213), (19, 1139886), (22, 984447), (27, 802142), (33, 656298), (38, 569943), (54, 401071), (57, 379962), (66, 328149), (99, 218766), (101, 214434), (114, 189981), (171, 126654), (198, 109383), (202, 107217), (209, 103626), (297, 72922), (303, 71478), (342, 63327), (361, 59994), (418, 51813), (513, 42218), (594, 36461), (606, 35739), (627, 34542), (722, 29997), (909, 23826), (1026, 21109), (1083, 19998), (1111, 19494), (1254, 17271), (1818, 11913), (1881, 11514), (1919, 11286), (2166, 9999), (2222, 9747), (2727, 7942), (3249, 6666), (3333, 6498), (3762, 5757), (3838, 5643), (3971, 5454)]