21078288

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1901}}^1$

素因数の和:1933

約数の個数: 120

約数和(自身を含む): 73584576

約数和(自身を除く): 52506288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 126, 132, 144, 154, 168, 176, 198, 231, 252, 264, 308, 336, 396, 462, 504, 528, 616, 693, 792, 924, 1008, 1232, 1386, 1584, 1848, 1901, 2772, 3696, 3802, 5544, 5703, 7604, 11088, 11406, 13307, 15208, 17109, 20911, 22812, 26614, 30416, 34218, 39921, 41822, 45624, 53228, 62733, 68436, 79842, 83644, 91248, 106456, 119763, 125466, 136872, 146377, 159684, 167288, 188199, 212912, 239526, 250932, 273744, 292754, 319368, 334576, 376398, 439131, 479052, 501864, 585508, 638736, 752796, 878262, 958104, 1003728, 1171016, 1317393, 1505592, 1756524, 1916208, 2342032, 2634786, 3011184, 3513048, 5269572, 7026096, 10539144, 21078288]

約数ペア:

[(1, 21078288), (2, 10539144), (3, 7026096), (4, 5269572), (6, 3513048), (7, 3011184), (8, 2634786), (9, 2342032), (11, 1916208), (12, 1756524), (14, 1505592), (16, 1317393), (18, 1171016), (21, 1003728), (22, 958104), (24, 878262), (28, 752796), (33, 638736), (36, 585508), (42, 501864), (44, 479052), (48, 439131), (56, 376398), (63, 334576), (66, 319368), (72, 292754), (77, 273744), (84, 250932), (88, 239526), (99, 212912), (112, 188199), (126, 167288), (132, 159684), (144, 146377), (154, 136872), (168, 125466), (176, 119763), (198, 106456), (231, 91248), (252, 83644), (264, 79842), (308, 68436), (336, 62733), (396, 53228), (462, 45624), (504, 41822), (528, 39921), (616, 34218), (693, 30416), (792, 26614), (924, 22812), (1008, 20911), (1232, 17109), (1386, 15208), (1584, 13307), (1848, 11406), (1901, 11088), (2772, 7604), (3696, 5703), (3802, 5544)]