21749724

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19489}}^1$

素因数の和:19530

約数の個数: 36

約数和(自身を含む): 56754880

約数和(自身を除く): 35005156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19489, 38978, 58467, 77956, 116934, 175401, 233868, 350802, 604159, 701604, 1208318, 1812477, 2416636, 3624954, 5437431, 7249908, 10874862, 21749724]

約数ペア:

[(1, 21749724), (2, 10874862), (3, 7249908), (4, 5437431), (6, 3624954), (9, 2416636), (12, 1812477), (18, 1208318), (31, 701604), (36, 604159), (62, 350802), (93, 233868), (124, 175401), (186, 116934), (279, 77956), (372, 58467), (558, 38978), (1116, 19489)]