21707994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2515

約数の個数: 64

約数和(自身を含む): 57000960

約数和(自身を除く): 35292966

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 77, 114, 133, 154, 209, 231, 266, 399, 418, 462, 627, 798, 1254, 1463, 2473, 2926, 4389, 4946, 7419, 8778, 14838, 17311, 27203, 34622, 46987, 51933, 54406, 81609, 93974, 103866, 140961, 163218, 190421, 281922, 328909, 380842, 516857, 571263, 657818, 986727, 1033714, 1142526, 1550571, 1973454, 3101142, 3617999, 7235998, 10853997, 21707994]

約数ペア:

[(1, 21707994), (2, 10853997), (3, 7235998), (6, 3617999), (7, 3101142), (11, 1973454), (14, 1550571), (19, 1142526), (21, 1033714), (22, 986727), (33, 657818), (38, 571263), (42, 516857), (57, 380842), (66, 328909), (77, 281922), (114, 190421), (133, 163218), (154, 140961), (209, 103866), (231, 93974), (266, 81609), (399, 54406), (418, 51933), (462, 46987), (627, 34622), (798, 27203), (1254, 17311), (1463, 14838), (2473, 8778), (2926, 7419), (4389, 4946)]