21577312

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1595

約数の個数: 48

約数和(自身を含む): 46690560

約数和(自身を除く): 25113248

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1543, 1748, 3086, 3496, 6172, 6992, 12344, 13984, 24688, 29317, 35489, 49376, 58634, 70978, 117268, 141956, 234536, 283912, 469072, 567824, 674291, 938144, 1135648, 1348582, 2697164, 5394328, 10788656, 21577312]

約数ペア:

[(1, 21577312), (2, 10788656), (4, 5394328), (8, 2697164), (16, 1348582), (19, 1135648), (23, 938144), (32, 674291), (38, 567824), (46, 469072), (76, 283912), (92, 234536), (152, 141956), (184, 117268), (304, 70978), (368, 58634), (437, 49376), (608, 35489), (736, 29317), (874, 24688), (1543, 13984), (1748, 12344), (3086, 6992), (3496, 6172)]