21539617568

素因数分解:

$2^5\times 7^2\times {\mathrm{1171}}^1\times {\mathrm{11731}}^1$

素因数の和:12926

約数の個数: 72

約数和(自身を含む): 49375905264

約数和(自身を除く): 27836287696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1171, 1568, 2342, 4684, 8197, 9368, 11731, 16394, 18736, 23462, 32788, 37472, 46924, 57379, 65576, 82117, 93848, 114758, 131152, 164234, 187696, 229516, 262304, 328468, 375392, 459032, 574819, 656936, 918064, 1149638, 1313872, 1836128, 2299276, 2627744, 4598552, 9197104, 13737001, 18394208, 27474002, 54948004, 96159007, 109896008, 192318014, 219792016, 384636028, 439584032, 673113049, 769272056, 1346226098, 1538544112, 2692452196, 3077088224, 5384904392, 10769808784, 21539617568]

約数ペア:

[(1, 21539617568), (2, 10769808784), (4, 5384904392), (7, 3077088224), (8, 2692452196), (14, 1538544112), (16, 1346226098), (28, 769272056), (32, 673113049), (49, 439584032), (56, 384636028), (98, 219792016), (112, 192318014), (196, 109896008), (224, 96159007), (392, 54948004), (784, 27474002), (1171, 18394208), (1568, 13737001), (2342, 9197104), (4684, 4598552), (8197, 2627744), (9368, 2299276), (11731, 1836128), (16394, 1313872), (18736, 1149638), (23462, 918064), (32788, 656936), (37472, 574819), (46924, 459032), (57379, 375392), (65576, 328468), (82117, 262304), (93848, 229516), (114758, 187696), (131152, 164234)]