21528234

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 59379840

約数和(自身を除く): 37851606

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 169, 182, 189, 234, 273, 337, 338, 351, 378, 507, 546, 674, 702, 819, 1011, 1014, 1183, 1521, 1638, 2022, 2359, 2366, 2457, 3033, 3042, 3549, 4381, 4563, 4718, 4914, 6066, 7077, 7098, 8762, 9099, 9126, 10647, 13143, 14154, 18198, 21231, 21294, 26286, 30667, 31941, 39429, 42462, 56953, 61334, 63693, 63882, 78858, 92001, 113906, 118287, 127386, 170859, 184002, 236574, 276003, 341718, 398671, 512577, 552006, 797342, 828009, 1025154, 1196013, 1537731, 1656018, 2392026, 3075462, 3588039, 7176078, 10764117, 21528234]

約数ペア:

[(1, 21528234), (2, 10764117), (3, 7176078), (6, 3588039), (7, 3075462), (9, 2392026), (13, 1656018), (14, 1537731), (18, 1196013), (21, 1025154), (26, 828009), (27, 797342), (39, 552006), (42, 512577), (54, 398671), (63, 341718), (78, 276003), (91, 236574), (117, 184002), (126, 170859), (169, 127386), (182, 118287), (189, 113906), (234, 92001), (273, 78858), (337, 63882), (338, 63693), (351, 61334), (378, 56953), (507, 42462), (546, 39429), (674, 31941), (702, 30667), (819, 26286), (1011, 21294), (1014, 21231), (1183, 18198), (1521, 14154), (1638, 13143), (2022, 10647), (2359, 9126), (2366, 9099), (2457, 8762), (3033, 7098), (3042, 7077), (3549, 6066), (4381, 4914), (4563, 4718)]