21647824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2617}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 46747008

約数和(自身を除く): 25099184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2617, 4136, 5234, 8272, 10468, 20936, 28787, 41872, 57574, 115148, 122999, 230296, 245998, 460592, 491996, 983992, 1352989, 1967984, 2705978, 5411956, 10823912, 21647824]

約数ペア:

[(1, 21647824), (2, 10823912), (4, 5411956), (8, 2705978), (11, 1967984), (16, 1352989), (22, 983992), (44, 491996), (47, 460592), (88, 245998), (94, 230296), (176, 122999), (188, 115148), (376, 57574), (517, 41872), (752, 28787), (1034, 20936), (2068, 10468), (2617, 8272), (4136, 5234)]