21607992

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:514

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 49355208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 84, 93, 108, 124, 126, 168, 186, 189, 216, 217, 248, 252, 279, 372, 378, 434, 461, 504, 558, 651, 744, 756, 837, 868, 922, 1116, 1302, 1383, 1512, 1674, 1736, 1844, 1953, 2232, 2604, 2766, 3227, 3348, 3688, 3906, 4149, 5208, 5532, 5859, 6454, 6696, 7812, 8298, 9681, 11064, 11718, 12447, 12908, 14291, 15624, 16596, 19362, 23436, 24894, 25816, 28582, 29043, 33192, 38724, 42873, 46872, 49788, 57164, 58086, 77448, 85746, 87129, 99576, 100037, 114328, 116172, 128619, 171492, 174258, 200074, 232344, 257238, 300111, 342984, 348516, 385857, 400148, 514476, 600222, 697032, 771714, 800296, 900333, 1028952, 1200444, 1543428, 1800666, 2400888, 2700999, 3086856, 3601332, 5401998, 7202664, 10803996, 21607992]

約数ペア:

[(1, 21607992), (2, 10803996), (3, 7202664), (4, 5401998), (6, 3601332), (7, 3086856), (8, 2700999), (9, 2400888), (12, 1800666), (14, 1543428), (18, 1200444), (21, 1028952), (24, 900333), (27, 800296), (28, 771714), (31, 697032), (36, 600222), (42, 514476), (54, 400148), (56, 385857), (62, 348516), (63, 342984), (72, 300111), (84, 257238), (93, 232344), (108, 200074), (124, 174258), (126, 171492), (168, 128619), (186, 116172), (189, 114328), (216, 100037), (217, 99576), (248, 87129), (252, 85746), (279, 77448), (372, 58086), (378, 57164), (434, 49788), (461, 46872), (504, 42873), (558, 38724), (651, 33192), (744, 29043), (756, 28582), (837, 25816), (868, 24894), (922, 23436), (1116, 19362), (1302, 16596), (1383, 15624), (1512, 14291), (1674, 12908), (1736, 12447), (1844, 11718), (1953, 11064), (2232, 9681), (2604, 8298), (2766, 7812), (3227, 6696), (3348, 6454), (3688, 5859), (3906, 5532), (4149, 5208)]