21814740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7129}}^1$

素因数の和:7161

約数の個数: 72

約数和(自身を含む): 70073640

約数和(自身を除く): 48258900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 7129, 14258, 21387, 28516, 35645, 42774, 64161, 71290, 85548, 106935, 121193, 128322, 142580, 213870, 242386, 256644, 320805, 363579, 427740, 484772, 605965, 641610, 727158, 1090737, 1211930, 1283220, 1454316, 1817895, 2181474, 2423860, 3635790, 4362948, 5453685, 7271580, 10907370, 21814740]

約数ペア:

[(1, 21814740), (2, 10907370), (3, 7271580), (4, 5453685), (5, 4362948), (6, 3635790), (9, 2423860), (10, 2181474), (12, 1817895), (15, 1454316), (17, 1283220), (18, 1211930), (20, 1090737), (30, 727158), (34, 641610), (36, 605965), (45, 484772), (51, 427740), (60, 363579), (68, 320805), (85, 256644), (90, 242386), (102, 213870), (153, 142580), (170, 128322), (180, 121193), (204, 106935), (255, 85548), (306, 71290), (340, 64161), (510, 42774), (612, 35645), (765, 28516), (1020, 21387), (1530, 14258), (3060, 7129)]