21198798719

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1\times {\mathrm{89989}}^1$

素因数の和:90530

約数の個数: 16

約数和(自身を含む): 24612624960

約数和(自身を除く): 3413826241

約数列:

[1, 7, 73, 461, 511, 3227, 33653, 89989, 235571, 629923, 6569197, 41484929, 45984379, 290394503, 3028399817, 21198798719]

約数ペア:

[(1, 21198798719), (7, 3028399817), (73, 290394503), (461, 45984379), (511, 41484929), (3227, 6569197), (33653, 629923), (89989, 235571)]