21059272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202493}}^1$

素因数の和:202512

約数の個数: 16

約数和(自身を含む): 42523740

約数和(自身を除く): 21464468

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202493, 404986, 809972, 1619944, 2632409, 5264818, 10529636, 21059272]

約数ペア:

[(1, 21059272), (2, 10529636), (4, 5264818), (8, 2632409), (13, 1619944), (26, 809972), (52, 404986), (104, 202493)]