21011838480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{12953}}^1$

素因数の和:13726

約数の個数: 160

約数和(自身を含む): 72476075520

約数和(自身を除く): 51464237040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 751, 1080, 1502, 2160, 2253, 3004, 3755, 4506, 6008, 6759, 7510, 9012, 11265, 12016, 12953, 13518, 15020, 18024, 20277, 22530, 25906, 27036, 30040, 33795, 36048, 38859, 40554, 45060, 51812, 54072, 60080, 64765, 67590, 77718, 81108, 90120, 101385, 103624, 108144, 116577, 129530, 135180, 155436, 162216, 180240, 194295, 202770, 207248, 233154, 259060, 270360, 310872, 324432, 349731, 388590, 405540, 466308, 518120, 540720, 582885, 621744, 699462, 777180, 811080, 932616, 1036240, 1165770, 1398924, 1554360, 1622160, 1748655, 1865232, 2331540, 2797848, 3108720, 3497310, 4663080, 5595696, 6994620, 9326160, 9727703, 13989240, 19455406, 27978480, 29183109, 38910812, 48638515, 58366218, 77821624, 87549327, 97277030, 116732436, 145915545, 155643248, 175098654, 194554060, 233464872, 262647981, 291831090, 350197308, 389108120, 437746635, 466929744, 525295962, 583662180, 700394616, 778216240, 875493270, 1050591924, 1167324360, 1313239905, 1400789232, 1750986540, 2101183848, 2334648720, 2626479810, 3501973080, 4202367696, 5252959620, 7003946160, 10505919240, 21011838480]

約数ペア:

[(1, 21011838480), (2, 10505919240), (3, 7003946160), (4, 5252959620), (5, 4202367696), (6, 3501973080), (8, 2626479810), (9, 2334648720), (10, 2101183848), (12, 1750986540), (15, 1400789232), (16, 1313239905), (18, 1167324360), (20, 1050591924), (24, 875493270), (27, 778216240), (30, 700394616), (36, 583662180), (40, 525295962), (45, 466929744), (48, 437746635), (54, 389108120), (60, 350197308), (72, 291831090), (80, 262647981), (90, 233464872), (108, 194554060), (120, 175098654), (135, 155643248), (144, 145915545), (180, 116732436), (216, 97277030), (240, 87549327), (270, 77821624), (360, 58366218), (432, 48638515), (540, 38910812), (720, 29183109), (751, 27978480), (1080, 19455406), (1502, 13989240), (2160, 9727703), (2253, 9326160), (3004, 6994620), (3755, 5595696), (4506, 4663080), (6008, 3497310), (6759, 3108720), (7510, 2797848), (9012, 2331540), (11265, 1865232), (12016, 1748655), (12953, 1622160), (13518, 1554360), (15020, 1398924), (18024, 1165770), (20277, 1036240), (22530, 932616), (25906, 811080), (27036, 777180), (30040, 699462), (33795, 621744), (36048, 582885), (38859, 540720), (40554, 518120), (45060, 466308), (51812, 405540), (54072, 388590), (60080, 349731), (64765, 324432), (67590, 310872), (77718, 270360), (81108, 259060), (90120, 233154), (101385, 207248), (103624, 202770), (108144, 194295), (116577, 180240), (129530, 162216), (135180, 155436)]