21856384

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 51297840

約数和(自身を除く): 29441456

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 43, 44, 64, 76, 86, 88, 128, 152, 172, 176, 209, 304, 344, 352, 361, 418, 473, 608, 688, 704, 722, 817, 836, 946, 1216, 1376, 1408, 1444, 1634, 1672, 1892, 2432, 2752, 2888, 3268, 3344, 3784, 3971, 5504, 5776, 6536, 6688, 7568, 7942, 8987, 11552, 13072, 13376, 15136, 15523, 15884, 17974, 23104, 26144, 26752, 30272, 31046, 31768, 35948, 46208, 52288, 60544, 62092, 63536, 71896, 104576, 124184, 127072, 143792, 170753, 248368, 254144, 287584, 341506, 496736, 508288, 575168, 683012, 993472, 1150336, 1366024, 1986944, 2732048, 5464096, 10928192, 21856384]

約数ペア:

[(1, 21856384), (2, 10928192), (4, 5464096), (8, 2732048), (11, 1986944), (16, 1366024), (19, 1150336), (22, 993472), (32, 683012), (38, 575168), (43, 508288), (44, 496736), (64, 341506), (76, 287584), (86, 254144), (88, 248368), (128, 170753), (152, 143792), (172, 127072), (176, 124184), (209, 104576), (304, 71896), (344, 63536), (352, 62092), (361, 60544), (418, 52288), (473, 46208), (608, 35948), (688, 31768), (704, 31046), (722, 30272), (817, 26752), (836, 26144), (946, 23104), (1216, 17974), (1376, 15884), (1408, 15523), (1444, 15136), (1634, 13376), (1672, 13072), (1892, 11552), (2432, 8987), (2752, 7942), (2888, 7568), (3268, 6688), (3344, 6536), (3784, 5776), (3971, 5504)]