21726696

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 57182400

約数和(自身を除く): 35455704

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 444, 516, 569, 888, 1032, 1138, 1591, 1707, 2276, 3182, 3414, 4552, 4773, 6364, 6828, 9546, 12728, 13656, 19092, 21053, 24467, 38184, 42106, 48934, 63159, 73401, 84212, 97868, 126318, 146802, 168424, 195736, 252636, 293604, 505272, 587208, 905279, 1810558, 2715837, 3621116, 5431674, 7242232, 10863348, 21726696]

約数ペア:

[(1, 21726696), (2, 10863348), (3, 7242232), (4, 5431674), (6, 3621116), (8, 2715837), (12, 1810558), (24, 905279), (37, 587208), (43, 505272), (74, 293604), (86, 252636), (111, 195736), (129, 168424), (148, 146802), (172, 126318), (222, 97868), (258, 84212), (296, 73401), (344, 63159), (444, 48934), (516, 42106), (569, 38184), (888, 24467), (1032, 21053), (1138, 19092), (1591, 13656), (1707, 12728), (2276, 9546), (3182, 6828), (3414, 6364), (4552, 4773)]