21703088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 46135440

約数和(自身を除く): 24432352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 317, 389, 634, 778, 1268, 1556, 2536, 3112, 3487, 4279, 5072, 6224, 6974, 8558, 13948, 17116, 27896, 34232, 55792, 68464, 123313, 246626, 493252, 986504, 1356443, 1973008, 2712886, 5425772, 10851544, 21703088]

約数ペア:

[(1, 21703088), (2, 10851544), (4, 5425772), (8, 2712886), (11, 1973008), (16, 1356443), (22, 986504), (44, 493252), (88, 246626), (176, 123313), (317, 68464), (389, 55792), (634, 34232), (778, 27896), (1268, 17116), (1556, 13948), (2536, 8558), (3112, 6974), (3487, 6224), (4279, 5072)]