21965014712

素因数分解:

$2^3\times {\mathrm{7159}}^1\times {\mathrm{383521}}^1$

素因数の和:390686

約数の個数: 16

約数和(自身を含む): 41190262800

約数和(自身を除く): 19225248088

約数列:

[1, 2, 4, 8, 7159, 14318, 28636, 57272, 383521, 767042, 1534084, 3068168, 2745626839, 5491253678, 10982507356, 21965014712]

約数ペア:

[(1, 21965014712), (2, 10982507356), (4, 5491253678), (8, 2745626839), (7159, 3068168), (14318, 1534084), (28636, 767042), (57272, 383521)]