21831936

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 69070848

約数和(自身を除く): 47238912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 131, 168, 186, 192, 217, 224, 248, 256, 262, 336, 372, 384, 393, 434, 448, 496, 524, 651, 672, 744, 768, 786, 868, 896, 917, 992, 1048, 1302, 1344, 1488, 1572, 1736, 1792, 1834, 1984, 2096, 2604, 2688, 2751, 2976, 3144, 3472, 3668, 3968, 4061, 4192, 5208, 5376, 5502, 5952, 6288, 6944, 7336, 7936, 8122, 8384, 10416, 11004, 11904, 12183, 12576, 13888, 14672, 16244, 16768, 20832, 22008, 23808, 24366, 25152, 27776, 28427, 29344, 32488, 33536, 41664, 44016, 48732, 50304, 55552, 56854, 58688, 64976, 83328, 85281, 88032, 97464, 100608, 113708, 117376, 129952, 166656, 170562, 176064, 194928, 227416, 234752, 259904, 341124, 352128, 389856, 454832, 519808, 682248, 704256, 779712, 909664, 1039616, 1364496, 1559424, 1819328, 2728992, 3118848, 3638656, 5457984, 7277312, 10915968, 21831936]

約数ペア:

[(1, 21831936), (2, 10915968), (3, 7277312), (4, 5457984), (6, 3638656), (7, 3118848), (8, 2728992), (12, 1819328), (14, 1559424), (16, 1364496), (21, 1039616), (24, 909664), (28, 779712), (31, 704256), (32, 682248), (42, 519808), (48, 454832), (56, 389856), (62, 352128), (64, 341124), (84, 259904), (93, 234752), (96, 227416), (112, 194928), (124, 176064), (128, 170562), (131, 166656), (168, 129952), (186, 117376), (192, 113708), (217, 100608), (224, 97464), (248, 88032), (256, 85281), (262, 83328), (336, 64976), (372, 58688), (384, 56854), (393, 55552), (434, 50304), (448, 48732), (496, 44016), (524, 41664), (651, 33536), (672, 32488), (744, 29344), (768, 28427), (786, 27776), (868, 25152), (896, 24366), (917, 23808), (992, 22008), (1048, 20832), (1302, 16768), (1344, 16244), (1488, 14672), (1572, 13888), (1736, 12576), (1792, 12183), (1834, 11904), (1984, 11004), (2096, 10416), (2604, 8384), (2688, 8122), (2751, 7936), (2976, 7336), (3144, 6944), (3472, 6288), (3668, 5952), (3968, 5502), (4061, 5376), (4192, 5208)]