21545832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 46882968

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 89, 131, 132, 154, 168, 178, 231, 262, 264, 267, 308, 356, 393, 462, 524, 534, 616, 623, 712, 786, 917, 924, 979, 1048, 1068, 1246, 1441, 1572, 1834, 1848, 1869, 1958, 2136, 2492, 2751, 2882, 2937, 3144, 3668, 3738, 3916, 4323, 4984, 5502, 5764, 5874, 6853, 7336, 7476, 7832, 8646, 10087, 11004, 11528, 11659, 11748, 13706, 14952, 17292, 20174, 20559, 22008, 23318, 23496, 27412, 30261, 34584, 34977, 40348, 41118, 46636, 54824, 60522, 69954, 80696, 81613, 82236, 93272, 121044, 128249, 139908, 163226, 164472, 242088, 244839, 256498, 279816, 326452, 384747, 489678, 512996, 652904, 769494, 897743, 979356, 1025992, 1538988, 1795486, 1958712, 2693229, 3077976, 3590972, 5386458, 7181944, 10772916, 21545832]

約数ペア:

[(1, 21545832), (2, 10772916), (3, 7181944), (4, 5386458), (6, 3590972), (7, 3077976), (8, 2693229), (11, 1958712), (12, 1795486), (14, 1538988), (21, 1025992), (22, 979356), (24, 897743), (28, 769494), (33, 652904), (42, 512996), (44, 489678), (56, 384747), (66, 326452), (77, 279816), (84, 256498), (88, 244839), (89, 242088), (131, 164472), (132, 163226), (154, 139908), (168, 128249), (178, 121044), (231, 93272), (262, 82236), (264, 81613), (267, 80696), (308, 69954), (356, 60522), (393, 54824), (462, 46636), (524, 41118), (534, 40348), (616, 34977), (623, 34584), (712, 30261), (786, 27412), (917, 23496), (924, 23318), (979, 22008), (1048, 20559), (1068, 20174), (1246, 17292), (1441, 14952), (1572, 13706), (1834, 11748), (1848, 11659), (1869, 11528), (1958, 11004), (2136, 10087), (2492, 8646), (2751, 7832), (2882, 7476), (2937, 7336), (3144, 6853), (3668, 5874), (3738, 5764), (3916, 5502), (4323, 4984)]