21354846

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 25923234

約数列:

[1, 2, 3, 6, 29, 31, 37, 58, 62, 74, 87, 93, 107, 111, 174, 186, 214, 222, 321, 642, 899, 1073, 1147, 1798, 2146, 2294, 2697, 3103, 3219, 3317, 3441, 3959, 5394, 6206, 6438, 6634, 6882, 7918, 9309, 9951, 11877, 18618, 19902, 23754, 33263, 66526, 96193, 99789, 114811, 122729, 192386, 199578, 229622, 245458, 288579, 344433, 368187, 577158, 688866, 736374, 3559141, 7118282, 10677423, 21354846]

約数ペア:

[(1, 21354846), (2, 10677423), (3, 7118282), (6, 3559141), (29, 736374), (31, 688866), (37, 577158), (58, 368187), (62, 344433), (74, 288579), (87, 245458), (93, 229622), (107, 199578), (111, 192386), (174, 122729), (186, 114811), (214, 99789), (222, 96193), (321, 66526), (642, 33263), (899, 23754), (1073, 19902), (1147, 18618), (1798, 11877), (2146, 9951), (2294, 9309), (2697, 7918), (3103, 6882), (3219, 6634), (3317, 6438), (3441, 6206), (3959, 5394)]