21402136

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2531}}^1$

素因数の和:2695

約数の個数: 32

約数和(自身を含む): 46183680

約数和(自身を除く): 24781544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2531, 4228, 5062, 8456, 10124, 17717, 20248, 35434, 70868, 141736, 382181, 764362, 1528724, 2675267, 3057448, 5350534, 10701068, 21402136]

約数ペア:

[(1, 21402136), (2, 10701068), (4, 5350534), (7, 3057448), (8, 2675267), (14, 1528724), (28, 764362), (56, 382181), (151, 141736), (302, 70868), (604, 35434), (1057, 20248), (1208, 17717), (2114, 10124), (2531, 8456), (4228, 5062)]