21881552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17761}}^1$

素因数の和:17787

約数の個数: 40

約数和(自身を含む): 52859712

約数和(自身を除く): 30978160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17761, 35522, 71044, 124327, 142088, 195371, 248654, 284176, 390742, 497308, 781484, 994616, 1367597, 1562968, 1989232, 2735194, 3125936, 5470388, 10940776, 21881552]

約数ペア:

[(1, 21881552), (2, 10940776), (4, 5470388), (7, 3125936), (8, 2735194), (11, 1989232), (14, 1562968), (16, 1367597), (22, 994616), (28, 781484), (44, 497308), (56, 390742), (77, 284176), (88, 248654), (112, 195371), (154, 142088), (176, 124327), (308, 71044), (616, 35522), (1232, 17761)]