21316464

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 65672880

約数和(自身を除く): 44356416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 59, 72, 78, 104, 117, 118, 144, 156, 177, 193, 208, 234, 236, 312, 354, 386, 468, 472, 531, 579, 624, 708, 767, 772, 936, 944, 1062, 1158, 1416, 1534, 1544, 1737, 1872, 2124, 2301, 2316, 2509, 2832, 3068, 3088, 3474, 4248, 4602, 4632, 5018, 6136, 6903, 6948, 7527, 8496, 9204, 9264, 10036, 11387, 12272, 13806, 13896, 15054, 18408, 20072, 22581, 22774, 27612, 27792, 30108, 34161, 36816, 40144, 45162, 45548, 55224, 60216, 68322, 90324, 91096, 102483, 110448, 120432, 136644, 148031, 180648, 182192, 204966, 273288, 296062, 361296, 409932, 444093, 546576, 592124, 819864, 888186, 1184248, 1332279, 1639728, 1776372, 2368496, 2664558, 3552744, 5329116, 7105488, 10658232, 21316464]

約数ペア:

[(1, 21316464), (2, 10658232), (3, 7105488), (4, 5329116), (6, 3552744), (8, 2664558), (9, 2368496), (12, 1776372), (13, 1639728), (16, 1332279), (18, 1184248), (24, 888186), (26, 819864), (36, 592124), (39, 546576), (48, 444093), (52, 409932), (59, 361296), (72, 296062), (78, 273288), (104, 204966), (117, 182192), (118, 180648), (144, 148031), (156, 136644), (177, 120432), (193, 110448), (208, 102483), (234, 91096), (236, 90324), (312, 68322), (354, 60216), (386, 55224), (468, 45548), (472, 45162), (531, 40144), (579, 36816), (624, 34161), (708, 30108), (767, 27792), (772, 27612), (936, 22774), (944, 22581), (1062, 20072), (1158, 18408), (1416, 15054), (1534, 13896), (1544, 13806), (1737, 12272), (1872, 11387), (2124, 10036), (2301, 9264), (2316, 9204), (2509, 8496), (2832, 7527), (3068, 6948), (3088, 6903), (3474, 6136), (4248, 5018), (4602, 4632)]