21164484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33025596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 223, 446, 669, 719, 892, 1338, 1438, 2157, 2453, 2676, 2876, 4314, 4906, 7359, 7909, 8628, 9812, 14718, 15818, 23727, 29436, 31636, 47454, 94908, 160337, 320674, 481011, 641348, 962022, 1763707, 1924044, 3527414, 5291121, 7054828, 10582242, 21164484]

約数ペア:

[(1, 21164484), (2, 10582242), (3, 7054828), (4, 5291121), (6, 3527414), (11, 1924044), (12, 1763707), (22, 962022), (33, 641348), (44, 481011), (66, 320674), (132, 160337), (223, 94908), (446, 47454), (669, 31636), (719, 29436), (892, 23727), (1338, 15818), (1438, 14718), (2157, 9812), (2453, 8628), (2676, 7909), (2876, 7359), (4314, 4906)]