21956896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 25628768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1123, 1222, 1504, 2246, 2444, 4492, 4888, 8984, 9776, 14599, 17968, 19552, 29198, 35936, 52781, 58396, 105562, 116792, 211124, 233584, 422248, 467168, 686153, 844496, 1372306, 1688992, 2744612, 5489224, 10978448, 21956896]

約数ペア:

[(1, 21956896), (2, 10978448), (4, 5489224), (8, 2744612), (13, 1688992), (16, 1372306), (26, 844496), (32, 686153), (47, 467168), (52, 422248), (94, 233584), (104, 211124), (188, 116792), (208, 105562), (376, 58396), (416, 52781), (611, 35936), (752, 29198), (1123, 19552), (1222, 17968), (1504, 14599), (2246, 9776), (2444, 8984), (4492, 4888)]