21272328

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1312

約数の個数: 128

約数和(自身を含む): 73728000

約数和(自身を除く): 52455672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1279, 1386, 1512, 1848, 2079, 2376, 2558, 2772, 3837, 4158, 5116, 5544, 7674, 8316, 8953, 10232, 11511, 14069, 15348, 16632, 17906, 23022, 26859, 28138, 30696, 34533, 35812, 42207, 46044, 53718, 56276, 69066, 71624, 80577, 84414, 92088, 98483, 107436, 112552, 126621, 138132, 161154, 168828, 196966, 214872, 241731, 253242, 276264, 295449, 322308, 337656, 379863, 393932, 483462, 506484, 590898, 644616, 759726, 787864, 886347, 966924, 1012968, 1181796, 1519452, 1772694, 1933848, 2363592, 2659041, 3038904, 3545388, 5318082, 7090776, 10636164, 21272328]

約数ペア:

[(1, 21272328), (2, 10636164), (3, 7090776), (4, 5318082), (6, 3545388), (7, 3038904), (8, 2659041), (9, 2363592), (11, 1933848), (12, 1772694), (14, 1519452), (18, 1181796), (21, 1012968), (22, 966924), (24, 886347), (27, 787864), (28, 759726), (33, 644616), (36, 590898), (42, 506484), (44, 483462), (54, 393932), (56, 379863), (63, 337656), (66, 322308), (72, 295449), (77, 276264), (84, 253242), (88, 241731), (99, 214872), (108, 196966), (126, 168828), (132, 161154), (154, 138132), (168, 126621), (189, 112552), (198, 107436), (216, 98483), (231, 92088), (252, 84414), (264, 80577), (297, 71624), (308, 69066), (378, 56276), (396, 53718), (462, 46044), (504, 42207), (594, 35812), (616, 34533), (693, 30696), (756, 28138), (792, 26859), (924, 23022), (1188, 17906), (1279, 16632), (1386, 15348), (1512, 14069), (1848, 11511), (2079, 10232), (2376, 8953), (2558, 8316), (2772, 7674), (3837, 5544), (4158, 5116)]