21303864

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 43496136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 29, 36, 38, 54, 57, 58, 72, 76, 87, 108, 114, 116, 152, 171, 174, 179, 216, 228, 232, 261, 342, 348, 358, 456, 513, 522, 537, 551, 684, 696, 716, 783, 1026, 1044, 1074, 1102, 1368, 1432, 1566, 1611, 1653, 2052, 2088, 2148, 2204, 3132, 3222, 3306, 3401, 4104, 4296, 4408, 4833, 4959, 5191, 6264, 6444, 6612, 6802, 9666, 9918, 10203, 10382, 12888, 13224, 13604, 14877, 15573, 19332, 19836, 20406, 20764, 27208, 29754, 30609, 31146, 38664, 39672, 40812, 41528, 46719, 59508, 61218, 62292, 81624, 91827, 93438, 98629, 119016, 122436, 124584, 140157, 183654, 186876, 197258, 244872, 280314, 295887, 367308, 373752, 394516, 560628, 591774, 734616, 789032, 887661, 1121256, 1183548, 1775322, 2367096, 2662983, 3550644, 5325966, 7101288, 10651932, 21303864]

約数ペア:

[(1, 21303864), (2, 10651932), (3, 7101288), (4, 5325966), (6, 3550644), (8, 2662983), (9, 2367096), (12, 1775322), (18, 1183548), (19, 1121256), (24, 887661), (27, 789032), (29, 734616), (36, 591774), (38, 560628), (54, 394516), (57, 373752), (58, 367308), (72, 295887), (76, 280314), (87, 244872), (108, 197258), (114, 186876), (116, 183654), (152, 140157), (171, 124584), (174, 122436), (179, 119016), (216, 98629), (228, 93438), (232, 91827), (261, 81624), (342, 62292), (348, 61218), (358, 59508), (456, 46719), (513, 41528), (522, 40812), (537, 39672), (551, 38664), (684, 31146), (696, 30609), (716, 29754), (783, 27208), (1026, 20764), (1044, 20406), (1074, 19836), (1102, 19332), (1368, 15573), (1432, 14877), (1566, 13604), (1611, 13224), (1653, 12888), (2052, 10382), (2088, 10203), (2148, 9918), (2204, 9666), (3132, 6802), (3222, 6612), (3306, 6444), (3401, 6264), (4104, 5191), (4296, 4959), (4408, 4833)]