21707589064

素因数分解:

$2^3\times 7^1\times {\mathrm{387635519}}^1$

素因数の和:387635532

約数の個数: 16

約数和(自身を含む): 46516262400

約数和(自身を除く): 24808673336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 387635519, 775271038, 1550542076, 2713448633, 3101084152, 5426897266, 10853794532, 21707589064]

約数ペア:

[(1, 21707589064), (2, 10853794532), (4, 5426897266), (7, 3101084152), (8, 2713448633), (14, 1550542076), (28, 775271038), (56, 387635519)]