21068268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4657}}^1$

素因数の和:4706

約数の個数: 48

約数和(自身を含む): 54778080

約数和(自身を除く): 33709812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4657, 9314, 13971, 18628, 27942, 55884, 60541, 121082, 135053, 181623, 242164, 270106, 363246, 405159, 540212, 726492, 810318, 1620636, 1755689, 3511378, 5267067, 7022756, 10534134, 21068268]

約数ペア:

[(1, 21068268), (2, 10534134), (3, 7022756), (4, 5267067), (6, 3511378), (12, 1755689), (13, 1620636), (26, 810318), (29, 726492), (39, 540212), (52, 405159), (58, 363246), (78, 270106), (87, 242164), (116, 181623), (156, 135053), (174, 121082), (348, 60541), (377, 55884), (754, 27942), (1131, 18628), (1508, 13971), (2262, 9314), (4524, 4657)]