21002112

素因数分解:

$2^7\times 3^3\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 63648000

約数和(自身を除く): 42645888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 64, 72, 96, 103, 108, 118, 128, 144, 177, 192, 206, 216, 236, 288, 309, 354, 384, 412, 432, 472, 531, 576, 618, 708, 824, 864, 927, 944, 1062, 1152, 1236, 1416, 1593, 1648, 1728, 1854, 1888, 2124, 2472, 2781, 2832, 3186, 3296, 3456, 3708, 3776, 4248, 4944, 5562, 5664, 6077, 6372, 6592, 7416, 7552, 8496, 9888, 11124, 11328, 12154, 12744, 13184, 14832, 16992, 18231, 19776, 22248, 22656, 24308, 25488, 29664, 33984, 36462, 39552, 44496, 48616, 50976, 54693, 59328, 67968, 72924, 88992, 97232, 101952, 109386, 118656, 145848, 164079, 177984, 194464, 203904, 218772, 291696, 328158, 355968, 388928, 437544, 583392, 656316, 777856, 875088, 1166784, 1312632, 1750176, 2333568, 2625264, 3500352, 5250528, 7000704, 10501056, 21002112]

約数ペア:

[(1, 21002112), (2, 10501056), (3, 7000704), (4, 5250528), (6, 3500352), (8, 2625264), (9, 2333568), (12, 1750176), (16, 1312632), (18, 1166784), (24, 875088), (27, 777856), (32, 656316), (36, 583392), (48, 437544), (54, 388928), (59, 355968), (64, 328158), (72, 291696), (96, 218772), (103, 203904), (108, 194464), (118, 177984), (128, 164079), (144, 145848), (177, 118656), (192, 109386), (206, 101952), (216, 97232), (236, 88992), (288, 72924), (309, 67968), (354, 59328), (384, 54693), (412, 50976), (432, 48616), (472, 44496), (531, 39552), (576, 36462), (618, 33984), (708, 29664), (824, 25488), (864, 24308), (927, 22656), (944, 22248), (1062, 19776), (1152, 18231), (1236, 16992), (1416, 14832), (1593, 13184), (1648, 12744), (1728, 12154), (1854, 11328), (1888, 11124), (2124, 9888), (2472, 8496), (2781, 7552), (2832, 7416), (3186, 6592), (3296, 6372), (3456, 6077), (3708, 5664), (3776, 5562), (4248, 4944)]