21656065248

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{461317}}^1$

素因数の和:461496

約数の個数: 72

約数和(自身を含む): 61962388488

約数和(自身を除く): 40306323240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 489, 652, 978, 1304, 1467, 1956, 2608, 2934, 3912, 5216, 5868, 7824, 11736, 15648, 23472, 46944, 461317, 922634, 1383951, 1845268, 2767902, 3690536, 4151853, 5535804, 7381072, 8303706, 11071608, 14762144, 16607412, 22143216, 33214824, 44286432, 66429648, 75194671, 132859296, 150389342, 225584013, 300778684, 451168026, 601557368, 676752039, 902336052, 1203114736, 1353504078, 1804672104, 2406229472, 2707008156, 3609344208, 5414016312, 7218688416, 10828032624, 21656065248]

約数ペア:

[(1, 21656065248), (2, 10828032624), (3, 7218688416), (4, 5414016312), (6, 3609344208), (8, 2707008156), (9, 2406229472), (12, 1804672104), (16, 1353504078), (18, 1203114736), (24, 902336052), (32, 676752039), (36, 601557368), (48, 451168026), (72, 300778684), (96, 225584013), (144, 150389342), (163, 132859296), (288, 75194671), (326, 66429648), (489, 44286432), (652, 33214824), (978, 22143216), (1304, 16607412), (1467, 14762144), (1956, 11071608), (2608, 8303706), (2934, 7381072), (3912, 5535804), (5216, 4151853), (5868, 3690536), (7824, 2767902), (11736, 1845268), (15648, 1383951), (23472, 922634), (46944, 461317)]