21009042

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 48926592

約数和(自身を除く): 27917550

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 71, 102, 142, 153, 213, 306, 426, 639, 967, 1207, 1278, 1934, 2414, 2901, 3621, 5802, 7242, 8703, 10863, 16439, 17406, 21726, 32878, 49317, 68657, 98634, 137314, 147951, 205971, 295902, 411942, 617913, 1167169, 1235826, 2334338, 3501507, 7003014, 10504521, 21009042]

約数ペア:

[(1, 21009042), (2, 10504521), (3, 7003014), (6, 3501507), (9, 2334338), (17, 1235826), (18, 1167169), (34, 617913), (51, 411942), (71, 295902), (102, 205971), (142, 147951), (153, 137314), (213, 98634), (306, 68657), (426, 49317), (639, 32878), (967, 21726), (1207, 17406), (1278, 16439), (1934, 10863), (2414, 8703), (2901, 7242), (3621, 5802)]