21561886416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{83449}}^1$

素因数の和:84236

約数の個数: 80

約数和(自身を含む): 63742448000

約数和(自身を除く): 42180561584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 769, 1538, 2307, 3076, 4614, 5383, 6152, 9228, 10766, 12304, 16149, 18456, 21532, 32298, 36912, 43064, 64596, 83449, 86128, 129192, 166898, 250347, 258384, 333796, 500694, 584143, 667592, 1001388, 1168286, 1335184, 1752429, 2002776, 2336572, 3504858, 4005552, 4673144, 7009716, 9346288, 14019432, 28038864, 64172281, 128344562, 192516843, 256689124, 385033686, 449205967, 513378248, 770067372, 898411934, 1026756496, 1347617901, 1540134744, 1796823868, 2695235802, 3080269488, 3593647736, 5390471604, 7187295472, 10780943208, 21561886416]

約数ペア:

[(1, 21561886416), (2, 10780943208), (3, 7187295472), (4, 5390471604), (6, 3593647736), (7, 3080269488), (8, 2695235802), (12, 1796823868), (14, 1540134744), (16, 1347617901), (21, 1026756496), (24, 898411934), (28, 770067372), (42, 513378248), (48, 449205967), (56, 385033686), (84, 256689124), (112, 192516843), (168, 128344562), (336, 64172281), (769, 28038864), (1538, 14019432), (2307, 9346288), (3076, 7009716), (4614, 4673144), (5383, 4005552), (6152, 3504858), (9228, 2336572), (10766, 2002776), (12304, 1752429), (16149, 1335184), (18456, 1168286), (21532, 1001388), (32298, 667592), (36912, 584143), (43064, 500694), (64596, 333796), (83449, 258384), (86128, 250347), (129192, 166898)]