21181824

素因数分解:

$2^7\times 3^6\times {\mathrm{227}}^1$

素因数の和:259

約数の個数: 112

約数和(自身を含む): 63547020

約数和(自身を除く): 42365196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 227, 243, 288, 324, 384, 432, 454, 486, 576, 648, 681, 729, 864, 908, 972, 1152, 1296, 1362, 1458, 1728, 1816, 1944, 2043, 2592, 2724, 2916, 3456, 3632, 3888, 4086, 5184, 5448, 5832, 6129, 7264, 7776, 8172, 10368, 10896, 11664, 12258, 14528, 15552, 16344, 18387, 21792, 23328, 24516, 29056, 31104, 32688, 36774, 43584, 46656, 49032, 55161, 65376, 73548, 87168, 93312, 98064, 110322, 130752, 147096, 165483, 196128, 220644, 261504, 294192, 330966, 392256, 441288, 588384, 661932, 784512, 882576, 1176768, 1323864, 1765152, 2353536, 2647728, 3530304, 5295456, 7060608, 10590912, 21181824]

約数ペア:

[(1, 21181824), (2, 10590912), (3, 7060608), (4, 5295456), (6, 3530304), (8, 2647728), (9, 2353536), (12, 1765152), (16, 1323864), (18, 1176768), (24, 882576), (27, 784512), (32, 661932), (36, 588384), (48, 441288), (54, 392256), (64, 330966), (72, 294192), (81, 261504), (96, 220644), (108, 196128), (128, 165483), (144, 147096), (162, 130752), (192, 110322), (216, 98064), (227, 93312), (243, 87168), (288, 73548), (324, 65376), (384, 55161), (432, 49032), (454, 46656), (486, 43584), (576, 36774), (648, 32688), (681, 31104), (729, 29056), (864, 24516), (908, 23328), (972, 21792), (1152, 18387), (1296, 16344), (1362, 15552), (1458, 14528), (1728, 12258), (1816, 11664), (1944, 10896), (2043, 10368), (2592, 8172), (2724, 7776), (2916, 7264), (3456, 6129), (3632, 5832), (3888, 5448), (4086, 5184)]