21000798738

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{50726567}}^1$

素因数の和:50726598

約数の個数: 24

約数和(自身を含む): 47480067648

約数和(自身を除く): 26479268910

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 50726567, 101453134, 152179701, 304359402, 456539103, 913078206, 1166711041, 2333422082, 3500133123, 7000266246, 10500399369, 21000798738]

約数ペア:

[(1, 21000798738), (2, 10500399369), (3, 7000266246), (6, 3500133123), (9, 2333422082), (18, 1166711041), (23, 913078206), (46, 456539103), (69, 304359402), (138, 152179701), (207, 101453134), (414, 50726567)]