21000786622

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1\times {\mathrm{40961}}^1$

素因数の和:42011

約数の個数: 16

約数和(自身を含む): 31630856400

約数和(自身を除く): 10630069778

約数列:

[1, 2, 389, 659, 778, 1318, 40961, 81922, 256351, 512702, 15933829, 26993299, 31867658, 53986598, 10500393311, 21000786622]

約数ペア:

[(1, 21000786622), (2, 10500393311), (389, 53986598), (659, 31867658), (778, 26993299), (1318, 15933829), (40961, 512702), (81922, 256351)]