21783564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55009}}^1$

素因数の和:55030

約数の個数: 36

約数和(自身を含む): 60070920

約数和(自身を除く): 38287356

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55009, 110018, 165027, 220036, 330054, 495081, 605099, 660108, 990162, 1210198, 1815297, 1980324, 2420396, 3630594, 5445891, 7261188, 10891782, 21783564]

約数ペア:

[(1, 21783564), (2, 10891782), (3, 7261188), (4, 5445891), (6, 3630594), (9, 2420396), (11, 1980324), (12, 1815297), (18, 1210198), (22, 990162), (33, 660108), (36, 605099), (44, 495081), (66, 330054), (99, 220036), (132, 165027), (198, 110018), (396, 55009)]