21235716

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 37470204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 83, 92, 103, 108, 138, 166, 206, 207, 249, 276, 309, 332, 412, 414, 498, 618, 621, 747, 828, 927, 996, 1236, 1242, 1494, 1854, 1909, 2241, 2369, 2484, 2781, 2988, 3708, 3818, 4482, 4738, 5562, 5727, 7107, 7636, 8549, 8964, 9476, 11124, 11454, 14214, 17098, 17181, 21321, 22908, 25647, 28428, 34196, 34362, 42642, 51294, 51543, 63963, 68724, 76941, 85284, 102588, 103086, 127926, 153882, 196627, 206172, 230823, 255852, 307764, 393254, 461646, 589881, 786508, 923292, 1179762, 1769643, 2359524, 3539286, 5308929, 7078572, 10617858, 21235716]

約数ペア:

[(1, 21235716), (2, 10617858), (3, 7078572), (4, 5308929), (6, 3539286), (9, 2359524), (12, 1769643), (18, 1179762), (23, 923292), (27, 786508), (36, 589881), (46, 461646), (54, 393254), (69, 307764), (83, 255852), (92, 230823), (103, 206172), (108, 196627), (138, 153882), (166, 127926), (206, 103086), (207, 102588), (249, 85284), (276, 76941), (309, 68724), (332, 63963), (412, 51543), (414, 51294), (498, 42642), (618, 34362), (621, 34196), (747, 28428), (828, 25647), (927, 22908), (996, 21321), (1236, 17181), (1242, 17098), (1494, 14214), (1854, 11454), (1909, 11124), (2241, 9476), (2369, 8964), (2484, 8549), (2781, 7636), (2988, 7107), (3708, 5727), (3818, 5562), (4482, 4738)]