21152803768

素因数分解:

$2^3\times {\mathrm{1459}}^1\times {\mathrm{1812269}}^1$

素因数の和:1813734

約数の個数: 16

約数和(自身を含む): 39688713000

約数和(自身を除く): 18535909232

約数列:

[1, 2, 4, 8, 1459, 2918, 5836, 11672, 1812269, 3624538, 7249076, 14498152, 2644100471, 5288200942, 10576401884, 21152803768]

約数ペア:

[(1, 21152803768), (2, 10576401884), (4, 5288200942), (8, 2644100471), (1459, 14498152), (2918, 7249076), (5836, 3624538), (11672, 1812269)]