21549402

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:665

約数の個数: 80

約数和(自身を含む): 57057792

約数和(自身を除く): 35508390

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 81, 93, 126, 162, 186, 189, 217, 279, 378, 434, 558, 567, 613, 651, 837, 1134, 1226, 1302, 1674, 1839, 1953, 2511, 3678, 3906, 4291, 5022, 5517, 5859, 8582, 11034, 11718, 12873, 16551, 17577, 19003, 25746, 33102, 35154, 38006, 38619, 49653, 57009, 77238, 99306, 114018, 115857, 133021, 171027, 231714, 266042, 342054, 347571, 399063, 513081, 695142, 798126, 1026162, 1197189, 1539243, 2394378, 3078486, 3591567, 7183134, 10774701, 21549402]

約数ペア:

[(1, 21549402), (2, 10774701), (3, 7183134), (6, 3591567), (7, 3078486), (9, 2394378), (14, 1539243), (18, 1197189), (21, 1026162), (27, 798126), (31, 695142), (42, 513081), (54, 399063), (62, 347571), (63, 342054), (81, 266042), (93, 231714), (126, 171027), (162, 133021), (186, 115857), (189, 114018), (217, 99306), (279, 77238), (378, 57009), (434, 49653), (558, 38619), (567, 38006), (613, 35154), (651, 33102), (837, 25746), (1134, 19003), (1226, 17577), (1302, 16551), (1674, 12873), (1839, 11718), (1953, 11034), (2511, 8582), (3678, 5859), (3906, 5517), (4291, 5022)]