21991904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{62477}}^1$

素因数の和:62498

約数の個数: 24

約数和(自身を含む): 47233368

約数和(自身を除く): 25241464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 62477, 124954, 249908, 499816, 687247, 999632, 1374494, 1999264, 2748988, 5497976, 10995952, 21991904]

約数ペア:

[(1, 21991904), (2, 10995952), (4, 5497976), (8, 2748988), (11, 1999264), (16, 1374494), (22, 999632), (32, 687247), (44, 499816), (88, 249908), (176, 124954), (352, 62477)]