21660072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4206

約数の個数: 64

約数和(自身を含む): 63897600

約数和(自身を除く): 42237528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 4159, 5208, 8318, 12477, 16636, 24954, 29113, 33272, 49908, 58226, 87339, 99816, 116452, 128929, 174678, 232904, 257858, 349356, 386787, 515716, 698712, 773574, 902503, 1031432, 1547148, 1805006, 2707509, 3094296, 3610012, 5415018, 7220024, 10830036, 21660072]

約数ペア:

[(1, 21660072), (2, 10830036), (3, 7220024), (4, 5415018), (6, 3610012), (7, 3094296), (8, 2707509), (12, 1805006), (14, 1547148), (21, 1031432), (24, 902503), (28, 773574), (31, 698712), (42, 515716), (56, 386787), (62, 349356), (84, 257858), (93, 232904), (124, 174678), (168, 128929), (186, 116452), (217, 99816), (248, 87339), (372, 58226), (434, 49908), (651, 33272), (744, 29113), (868, 24954), (1302, 16636), (1736, 12477), (2604, 8318), (4159, 5208)]