21471912

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 128

約数和(自身を含む): 74419200

約数和(自身を除く): 52947288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1291, 1386, 1512, 1848, 2079, 2376, 2582, 2772, 3873, 4158, 5164, 5544, 7746, 8316, 9037, 10328, 11619, 14201, 15492, 16632, 18074, 23238, 27111, 28402, 30984, 34857, 36148, 42603, 46476, 54222, 56804, 69714, 72296, 81333, 85206, 92952, 99407, 108444, 113608, 127809, 139428, 162666, 170412, 198814, 216888, 243999, 255618, 278856, 298221, 325332, 340824, 383427, 397628, 487998, 511236, 596442, 650664, 766854, 795256, 894663, 975996, 1022472, 1192884, 1533708, 1789326, 1951992, 2385768, 2683989, 3067416, 3578652, 5367978, 7157304, 10735956, 21471912]

約数ペア:

[(1, 21471912), (2, 10735956), (3, 7157304), (4, 5367978), (6, 3578652), (7, 3067416), (8, 2683989), (9, 2385768), (11, 1951992), (12, 1789326), (14, 1533708), (18, 1192884), (21, 1022472), (22, 975996), (24, 894663), (27, 795256), (28, 766854), (33, 650664), (36, 596442), (42, 511236), (44, 487998), (54, 397628), (56, 383427), (63, 340824), (66, 325332), (72, 298221), (77, 278856), (84, 255618), (88, 243999), (99, 216888), (108, 198814), (126, 170412), (132, 162666), (154, 139428), (168, 127809), (189, 113608), (198, 108444), (216, 99407), (231, 92952), (252, 85206), (264, 81333), (297, 72296), (308, 69714), (378, 56804), (396, 54222), (462, 46476), (504, 42603), (594, 36148), (616, 34857), (693, 30984), (756, 28402), (792, 27111), (924, 23238), (1188, 18074), (1291, 16632), (1386, 15492), (1512, 14201), (1848, 11619), (2079, 10328), (2376, 9037), (2582, 8316), (2772, 7746), (3873, 5544), (4158, 5164)]