21903904

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5657}}^1$

素因数の和:5689

約数の個数: 36

約数和(自身を含む): 47408382

約数和(自身を除く): 25504478

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5657, 11314, 22628, 45256, 62227, 90512, 124454, 181024, 248908, 497816, 684497, 995632, 1368994, 1991264, 2737988, 5475976, 10951952, 21903904]

約数ペア:

[(1, 21903904), (2, 10951952), (4, 5475976), (8, 2737988), (11, 1991264), (16, 1368994), (22, 995632), (32, 684497), (44, 497816), (88, 248908), (121, 181024), (176, 124454), (242, 90512), (352, 62227), (484, 45256), (968, 22628), (1936, 11314), (3872, 5657)]