21472968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 59040000

約数和(自身を除く): 37567032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 163, 264, 326, 489, 499, 652, 978, 998, 1304, 1497, 1793, 1956, 1996, 2994, 3586, 3912, 3992, 5379, 5489, 5988, 7172, 10758, 10978, 11976, 14344, 16467, 21516, 21956, 32934, 43032, 43912, 65868, 81337, 131736, 162674, 244011, 325348, 488022, 650696, 894707, 976044, 1789414, 1952088, 2684121, 3578828, 5368242, 7157656, 10736484, 21472968]

約数ペア:

[(1, 21472968), (2, 10736484), (3, 7157656), (4, 5368242), (6, 3578828), (8, 2684121), (11, 1952088), (12, 1789414), (22, 976044), (24, 894707), (33, 650696), (44, 488022), (66, 325348), (88, 244011), (132, 162674), (163, 131736), (264, 81337), (326, 65868), (489, 43912), (499, 43032), (652, 32934), (978, 21956), (998, 21516), (1304, 16467), (1497, 14344), (1793, 11976), (1956, 10978), (1996, 10758), (2994, 7172), (3586, 5988), (3912, 5489), (3992, 5379)]