21480452272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{479}}^1\times {\mathrm{953}}^1$

素因数の和:1630

約数の個数: 80

約数和(自身を含む): 44460368640

約数和(自身を除く): 22979916368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 479, 692, 953, 958, 1384, 1906, 1916, 2768, 2941, 3812, 3832, 5882, 7624, 7664, 8143, 11764, 15248, 16201, 16286, 23528, 32402, 32572, 47056, 64804, 65144, 82867, 129608, 130288, 164869, 165734, 259216, 329738, 331468, 456487, 659476, 662936, 912974, 1318952, 1325872, 1408739, 1825948, 2637904, 2802773, 2817478, 3651896, 5605546, 5634956, 7303792, 7760279, 11211092, 11269912, 15520558, 22422184, 22539824, 31041116, 44844368, 62082232, 78972251, 124164464, 157944502, 315889004, 631778008, 1263556016, 1342528267, 2685056534, 5370113068, 10740226136, 21480452272]

約数ペア:

[(1, 21480452272), (2, 10740226136), (4, 5370113068), (8, 2685056534), (16, 1342528267), (17, 1263556016), (34, 631778008), (68, 315889004), (136, 157944502), (173, 124164464), (272, 78972251), (346, 62082232), (479, 44844368), (692, 31041116), (953, 22539824), (958, 22422184), (1384, 15520558), (1906, 11269912), (1916, 11211092), (2768, 7760279), (2941, 7303792), (3812, 5634956), (3832, 5605546), (5882, 3651896), (7624, 2817478), (7664, 2802773), (8143, 2637904), (11764, 1825948), (15248, 1408739), (16201, 1325872), (16286, 1318952), (23528, 912974), (32402, 662936), (32572, 659476), (47056, 456487), (64804, 331468), (65144, 329738), (82867, 259216), (129608, 165734), (130288, 164869)]