21000485066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2423}}^1\times {\mathrm{393961}}^1$

素因数の和:396397

約数の個数: 16

約数和(自身を含む): 34378699968

約数和(自身を除く): 13378214902

約数列:

[1, 2, 11, 22, 2423, 4846, 26653, 53306, 393961, 787922, 4333571, 8667142, 954567503, 1909135006, 10500242533, 21000485066]

約数ペア:

[(1, 21000485066), (2, 10500242533), (11, 1909135006), (22, 954567503), (2423, 8667142), (4846, 4333571), (26653, 787922), (53306, 393961)]