21697962

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 54112800

約数和(自身を除く): 32414838

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 121, 143, 209, 242, 247, 286, 363, 418, 429, 494, 627, 726, 741, 858, 1254, 1331, 1482, 1573, 2299, 2662, 2717, 3146, 3993, 4598, 4719, 5434, 6897, 7986, 8151, 9438, 13794, 14641, 16302, 17303, 25289, 29282, 29887, 34606, 43923, 50578, 51909, 59774, 75867, 87846, 89661, 103818, 151734, 179322, 190333, 278179, 328757, 380666, 556358, 570999, 657514, 834537, 986271, 1141998, 1669074, 1972542, 3616327, 7232654, 10848981, 21697962]

約数ペア:

[(1, 21697962), (2, 10848981), (3, 7232654), (6, 3616327), (11, 1972542), (13, 1669074), (19, 1141998), (22, 986271), (26, 834537), (33, 657514), (38, 570999), (39, 556358), (57, 380666), (66, 328757), (78, 278179), (114, 190333), (121, 179322), (143, 151734), (209, 103818), (242, 89661), (247, 87846), (286, 75867), (363, 59774), (418, 51909), (429, 50578), (494, 43923), (627, 34606), (726, 29887), (741, 29282), (858, 25289), (1254, 17303), (1331, 16302), (1482, 14641), (1573, 13794), (2299, 9438), (2662, 8151), (2717, 7986), (3146, 6897), (3993, 5434), (4598, 4719)]