21022506

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 52565760

約数和(自身を除く): 31543254

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 29, 34, 46, 51, 58, 69, 87, 102, 103, 138, 153, 174, 206, 207, 261, 306, 309, 391, 414, 493, 522, 618, 667, 782, 927, 986, 1173, 1334, 1479, 1751, 1854, 2001, 2346, 2369, 2958, 2987, 3502, 3519, 4002, 4437, 4738, 5253, 5974, 6003, 7038, 7107, 8874, 8961, 10506, 11339, 12006, 14214, 15759, 17922, 21321, 22678, 26883, 31518, 34017, 40273, 42642, 50779, 53766, 68034, 68701, 80546, 101558, 102051, 120819, 137402, 152337, 204102, 206103, 241638, 304674, 362457, 412206, 457011, 618309, 724914, 914022, 1167917, 1236618, 2335834, 3503751, 7007502, 10511253, 21022506]

約数ペア:

[(1, 21022506), (2, 10511253), (3, 7007502), (6, 3503751), (9, 2335834), (17, 1236618), (18, 1167917), (23, 914022), (29, 724914), (34, 618309), (46, 457011), (51, 412206), (58, 362457), (69, 304674), (87, 241638), (102, 206103), (103, 204102), (138, 152337), (153, 137402), (174, 120819), (206, 102051), (207, 101558), (261, 80546), (306, 68701), (309, 68034), (391, 53766), (414, 50779), (493, 42642), (522, 40273), (618, 34017), (667, 31518), (782, 26883), (927, 22678), (986, 21321), (1173, 17922), (1334, 15759), (1479, 14214), (1751, 12006), (1854, 11339), (2001, 10506), (2346, 8961), (2369, 8874), (2958, 7107), (2987, 7038), (3502, 6003), (3519, 5974), (4002, 5253), (4437, 4738)]