21386019744

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{681257}}^1$

素因数の和:681382

約数の個数: 72

約数和(自身を含む): 61374533220

約数和(自身を除く): 39988513476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 654, 872, 981, 1308, 1744, 1962, 2616, 3488, 3924, 5232, 7848, 10464, 15696, 31392, 681257, 1362514, 2043771, 2725028, 4087542, 5450056, 6131313, 8175084, 10900112, 12262626, 16350168, 21800224, 24525252, 32700336, 49050504, 65400672, 74257013, 98101008, 148514026, 196202016, 222771039, 297028052, 445542078, 594056104, 668313117, 891084156, 1188112208, 1336626234, 1782168312, 2376224416, 2673252468, 3564336624, 5346504936, 7128673248, 10693009872, 21386019744]

約数ペア:

[(1, 21386019744), (2, 10693009872), (3, 7128673248), (4, 5346504936), (6, 3564336624), (8, 2673252468), (9, 2376224416), (12, 1782168312), (16, 1336626234), (18, 1188112208), (24, 891084156), (32, 668313117), (36, 594056104), (48, 445542078), (72, 297028052), (96, 222771039), (109, 196202016), (144, 148514026), (218, 98101008), (288, 74257013), (327, 65400672), (436, 49050504), (654, 32700336), (872, 24525252), (981, 21800224), (1308, 16350168), (1744, 12262626), (1962, 10900112), (2616, 8175084), (3488, 6131313), (3924, 5450056), (5232, 4087542), (7848, 2725028), (10464, 2043771), (15696, 1362514), (31392, 681257)]