21283524

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 36505116

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 83, 102, 153, 166, 204, 249, 306, 332, 419, 498, 612, 747, 838, 996, 1257, 1411, 1494, 1676, 2514, 2822, 2988, 3771, 4233, 5028, 5644, 7123, 7542, 8466, 12699, 14246, 15084, 16932, 21369, 25398, 28492, 34777, 42738, 50796, 64107, 69554, 85476, 104331, 128214, 139108, 208662, 256428, 312993, 417324, 591209, 625986, 1182418, 1251972, 1773627, 2364836, 3547254, 5320881, 7094508, 10641762, 21283524]

約数ペア:

[(1, 21283524), (2, 10641762), (3, 7094508), (4, 5320881), (6, 3547254), (9, 2364836), (12, 1773627), (17, 1251972), (18, 1182418), (34, 625986), (36, 591209), (51, 417324), (68, 312993), (83, 256428), (102, 208662), (153, 139108), (166, 128214), (204, 104331), (249, 85476), (306, 69554), (332, 64107), (419, 50796), (498, 42738), (612, 34777), (747, 28492), (838, 25398), (996, 21369), (1257, 16932), (1411, 15084), (1494, 14246), (1676, 12699), (2514, 8466), (2822, 7542), (2988, 7123), (3771, 5644), (4233, 5028)]