21828068912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{193979}}^1$

素因数の和:194541

約数の個数: 40

約数和(自身を含む): 45629527440

約数和(自身を除く): 23801458528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 541, 1082, 2164, 4328, 7033, 8656, 14066, 28132, 56264, 112528, 193979, 387958, 775916, 1551832, 2521727, 3103664, 5043454, 10086908, 20173816, 40347632, 104942639, 209885278, 419770556, 839541112, 1364254307, 1679082224, 2728508614, 5457017228, 10914034456, 21828068912]

約数ペア:

[(1, 21828068912), (2, 10914034456), (4, 5457017228), (8, 2728508614), (13, 1679082224), (16, 1364254307), (26, 839541112), (52, 419770556), (104, 209885278), (208, 104942639), (541, 40347632), (1082, 20173816), (2164, 10086908), (4328, 5043454), (7033, 3103664), (8656, 2521727), (14066, 1551832), (28132, 775916), (56264, 387958), (112528, 193979)]