21037698

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 30594942

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 107, 198, 214, 297, 321, 331, 594, 642, 662, 963, 993, 1177, 1926, 1986, 2354, 2889, 2979, 3531, 3641, 5778, 5958, 7062, 7282, 8937, 10593, 10923, 17874, 21186, 21846, 31779, 32769, 35417, 63558, 65538, 70834, 98307, 106251, 196614, 212502, 318753, 389587, 637506, 779174, 956259, 1168761, 1912518, 2337522, 3506283, 7012566, 10518849, 21037698]

約数ペア:

[(1, 21037698), (2, 10518849), (3, 7012566), (6, 3506283), (9, 2337522), (11, 1912518), (18, 1168761), (22, 956259), (27, 779174), (33, 637506), (54, 389587), (66, 318753), (99, 212502), (107, 196614), (198, 106251), (214, 98307), (297, 70834), (321, 65538), (331, 63558), (594, 35417), (642, 32769), (662, 31779), (963, 21846), (993, 21186), (1177, 17874), (1926, 10923), (1986, 10593), (2354, 8937), (2889, 7282), (2979, 7062), (3531, 5958), (3641, 5778)]