21528324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 59655960

約数和(自身を除く): 38127636

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1213, 1479, 1972, 2426, 2958, 3639, 4437, 4852, 5916, 7278, 8874, 10917, 14556, 17748, 20621, 21834, 35177, 41242, 43668, 61863, 70354, 82484, 105531, 123726, 140708, 185589, 211062, 247452, 316593, 371178, 422124, 598009, 633186, 742356, 1196018, 1266372, 1794027, 2392036, 3588054, 5382081, 7176108, 10764162, 21528324]

約数ペア:

[(1, 21528324), (2, 10764162), (3, 7176108), (4, 5382081), (6, 3588054), (9, 2392036), (12, 1794027), (17, 1266372), (18, 1196018), (29, 742356), (34, 633186), (36, 598009), (51, 422124), (58, 371178), (68, 316593), (87, 247452), (102, 211062), (116, 185589), (153, 140708), (174, 123726), (204, 105531), (261, 82484), (306, 70354), (348, 61863), (493, 43668), (522, 41242), (612, 35177), (986, 21834), (1044, 20621), (1213, 17748), (1479, 14556), (1972, 10917), (2426, 8874), (2958, 7278), (3639, 5916), (4437, 4852)]