21298992

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 46196688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 29, 33, 39, 44, 48, 52, 58, 66, 78, 87, 88, 104, 107, 116, 132, 143, 156, 174, 176, 208, 214, 232, 264, 286, 312, 319, 321, 348, 377, 428, 429, 464, 528, 572, 624, 638, 642, 696, 754, 856, 858, 957, 1131, 1144, 1177, 1276, 1284, 1391, 1392, 1508, 1712, 1716, 1914, 2262, 2288, 2354, 2552, 2568, 2782, 3016, 3103, 3432, 3531, 3828, 4147, 4173, 4524, 4708, 5104, 5136, 5564, 6032, 6206, 6864, 7062, 7656, 8294, 8346, 9048, 9309, 9416, 11128, 12412, 12441, 14124, 15301, 15312, 16588, 16692, 18096, 18618, 18832, 22256, 24824, 24882, 28248, 30602, 33176, 33384, 34133, 37236, 40339, 45903, 49648, 49764, 56496, 61204, 66352, 66768, 68266, 74472, 80678, 91806, 99528, 102399, 121017, 122408, 136532, 148944, 161356, 183612, 199056, 204798, 242034, 244816, 273064, 322712, 367224, 409596, 443729, 484068, 546128, 645424, 734448, 819192, 887458, 968136, 1331187, 1638384, 1774916, 1936272, 2662374, 3549832, 5324748, 7099664, 10649496, 21298992]

約数ペア:

[(1, 21298992), (2, 10649496), (3, 7099664), (4, 5324748), (6, 3549832), (8, 2662374), (11, 1936272), (12, 1774916), (13, 1638384), (16, 1331187), (22, 968136), (24, 887458), (26, 819192), (29, 734448), (33, 645424), (39, 546128), (44, 484068), (48, 443729), (52, 409596), (58, 367224), (66, 322712), (78, 273064), (87, 244816), (88, 242034), (104, 204798), (107, 199056), (116, 183612), (132, 161356), (143, 148944), (156, 136532), (174, 122408), (176, 121017), (208, 102399), (214, 99528), (232, 91806), (264, 80678), (286, 74472), (312, 68266), (319, 66768), (321, 66352), (348, 61204), (377, 56496), (428, 49764), (429, 49648), (464, 45903), (528, 40339), (572, 37236), (624, 34133), (638, 33384), (642, 33176), (696, 30602), (754, 28248), (856, 24882), (858, 24824), (957, 22256), (1131, 18832), (1144, 18618), (1177, 18096), (1276, 16692), (1284, 16588), (1391, 15312), (1392, 15301), (1508, 14124), (1712, 12441), (1716, 12412), (1914, 11128), (2262, 9416), (2288, 9309), (2354, 9048), (2552, 8346), (2568, 8294), (2782, 7656), (3016, 7062), (3103, 6864), (3432, 6206), (3531, 6032), (3828, 5564), (4147, 5136), (4173, 5104), (4524, 4708)]