21000618117

素因数分解:

$3^3\times {\mathrm{263}}^1\times {\mathrm{2957417}}^1$

素因数の和:2957689

約数の個数: 16

約数和(自身を含む): 31230334080

約数和(自身を除く): 10229715963

約数列:

[1, 3, 9, 27, 263, 789, 2367, 7101, 2957417, 8872251, 26616753, 79850259, 777800671, 2333402013, 7000206039, 21000618117]

約数ペア:

[(1, 21000618117), (3, 7000206039), (9, 2333402013), (27, 777800671), (263, 79850259), (789, 26616753), (2367, 8872251), (7101, 2957417)]