21742136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5099}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 44982000

約数和(自身を除く): 23239864

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5099, 10198, 20396, 40792, 66287, 132574, 209059, 265148, 418118, 530296, 836236, 1672472, 2717767, 5435534, 10871068, 21742136]

約数ペア:

[(1, 21742136), (2, 10871068), (4, 5435534), (8, 2717767), (13, 1672472), (26, 836236), (41, 530296), (52, 418118), (82, 265148), (104, 209059), (164, 132574), (328, 66287), (533, 40792), (1066, 20396), (2132, 10198), (4264, 5099)]