21330864

素因数分解:

$2^4\times 3^4\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 100

約数和(自身を含む): 62716720

約数和(自身を除く): 41385856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 109, 144, 151, 162, 216, 218, 302, 324, 327, 432, 436, 453, 604, 648, 654, 872, 906, 981, 1208, 1296, 1308, 1359, 1744, 1812, 1962, 2416, 2616, 2718, 2943, 3624, 3924, 4077, 5232, 5436, 5886, 7248, 7848, 8154, 8829, 10872, 11772, 12231, 15696, 16308, 16459, 17658, 21744, 23544, 24462, 32616, 32918, 35316, 47088, 48924, 49377, 65232, 65836, 70632, 97848, 98754, 131672, 141264, 148131, 195696, 197508, 263344, 296262, 395016, 444393, 592524, 790032, 888786, 1185048, 1333179, 1777572, 2370096, 2666358, 3555144, 5332716, 7110288, 10665432, 21330864]

約数ペア:

[(1, 21330864), (2, 10665432), (3, 7110288), (4, 5332716), (6, 3555144), (8, 2666358), (9, 2370096), (12, 1777572), (16, 1333179), (18, 1185048), (24, 888786), (27, 790032), (36, 592524), (48, 444393), (54, 395016), (72, 296262), (81, 263344), (108, 197508), (109, 195696), (144, 148131), (151, 141264), (162, 131672), (216, 98754), (218, 97848), (302, 70632), (324, 65836), (327, 65232), (432, 49377), (436, 48924), (453, 47088), (604, 35316), (648, 32918), (654, 32616), (872, 24462), (906, 23544), (981, 21744), (1208, 17658), (1296, 16459), (1308, 16308), (1359, 15696), (1744, 12231), (1812, 11772), (1962, 10872), (2416, 8829), (2616, 8154), (2718, 7848), (2943, 7248), (3624, 5886), (3924, 5436), (4077, 5232)]