21329965436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{410191643}}^1$

素因数の和:410191660

約数の個数: 12

約数和(自身を含む): 40198781112

約数和(自身を除く): 18868815676

約数列:

[1, 2, 4, 13, 26, 52, 410191643, 820383286, 1640766572, 5332491359, 10664982718, 21329965436]

約数ペア:

[(1, 21329965436), (2, 10664982718), (4, 5332491359), (13, 1640766572), (26, 820383286), (52, 410191643)]