21040776

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3403

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 39439224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3359, 6264, 6718, 10077, 13436, 20154, 26872, 30231, 40308, 60462, 80616, 90693, 97411, 120924, 181386, 194822, 241848, 292233, 362772, 389644, 584466, 725544, 779288, 876699, 1168932, 1753398, 2337864, 2630097, 3506796, 5260194, 7013592, 10520388, 21040776]

約数ペア:

[(1, 21040776), (2, 10520388), (3, 7013592), (4, 5260194), (6, 3506796), (8, 2630097), (9, 2337864), (12, 1753398), (18, 1168932), (24, 876699), (27, 779288), (29, 725544), (36, 584466), (54, 389644), (58, 362772), (72, 292233), (87, 241848), (108, 194822), (116, 181386), (174, 120924), (216, 97411), (232, 90693), (261, 80616), (348, 60462), (522, 40308), (696, 30231), (783, 26872), (1044, 20154), (1566, 13436), (2088, 10077), (3132, 6718), (3359, 6264)]