21148738055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{85121}}^1$

素因数の和:85259

約数の個数: 32

約数和(自身を含む): 27947255040

約数和(自身を除く): 6798516985

約数列:

[1, 5, 17, 37, 79, 85, 185, 395, 629, 1343, 2923, 3145, 6715, 14615, 49691, 85121, 248455, 425605, 1447057, 3149477, 6724559, 7235285, 15747385, 33622795, 53541109, 114317503, 248808683, 267705545, 571587515, 1244043415, 4229747611, 21148738055]

約数ペア:

[(1, 21148738055), (5, 4229747611), (17, 1244043415), (37, 571587515), (79, 267705545), (85, 248808683), (185, 114317503), (395, 53541109), (629, 33622795), (1343, 15747385), (2923, 7235285), (3145, 6724559), (6715, 3149477), (14615, 1447057), (49691, 425605), (85121, 248455)]