21676672

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 46512000

約数和(自身を除く): 24835328

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 46, 64, 74, 92, 128, 148, 184, 199, 296, 368, 398, 592, 736, 796, 851, 1184, 1472, 1592, 1702, 2368, 2944, 3184, 3404, 4577, 4736, 6368, 6808, 7363, 9154, 12736, 13616, 14726, 18308, 25472, 27232, 29452, 36616, 54464, 58904, 73232, 108928, 117808, 146464, 169349, 235616, 292928, 338698, 471232, 585856, 677396, 942464, 1354792, 2709584, 5419168, 10838336, 21676672]

約数ペア:

[(1, 21676672), (2, 10838336), (4, 5419168), (8, 2709584), (16, 1354792), (23, 942464), (32, 677396), (37, 585856), (46, 471232), (64, 338698), (74, 292928), (92, 235616), (128, 169349), (148, 146464), (184, 117808), (199, 108928), (296, 73232), (368, 58904), (398, 54464), (592, 36616), (736, 29452), (796, 27232), (851, 25472), (1184, 18308), (1472, 14726), (1592, 13616), (1702, 12736), (2368, 9154), (2944, 7363), (3184, 6808), (3404, 6368), (4577, 4736)]