21063924

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11941}}^1$

素因数の和:11965

約数の個数: 54

約数和(自身を含む): 61943154

約数和(自身を除く): 40879230

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11941, 23882, 35823, 47764, 71646, 83587, 107469, 143292, 167174, 214938, 250761, 334348, 429876, 501522, 585109, 752283, 1003044, 1170218, 1504566, 1755327, 2340436, 3009132, 3510654, 5265981, 7021308, 10531962, 21063924]

約数ペア:

[(1, 21063924), (2, 10531962), (3, 7021308), (4, 5265981), (6, 3510654), (7, 3009132), (9, 2340436), (12, 1755327), (14, 1504566), (18, 1170218), (21, 1003044), (28, 752283), (36, 585109), (42, 501522), (49, 429876), (63, 334348), (84, 250761), (98, 214938), (126, 167174), (147, 143292), (196, 107469), (252, 83587), (294, 71646), (441, 47764), (588, 35823), (882, 23882), (1764, 11941)]