21086892

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 60

約数和(自身を含む): 56647360

約数和(自身を除く): 35560468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1759, 1998, 2997, 3518, 3996, 5277, 5994, 7036, 10554, 11988, 15831, 21108, 31662, 47493, 63324, 65083, 94986, 130166, 142479, 189972, 195249, 260332, 284958, 390498, 569916, 585747, 780996, 1171494, 1757241, 2342988, 3514482, 5271723, 7028964, 10543446, 21086892]

約数ペア:

[(1, 21086892), (2, 10543446), (3, 7028964), (4, 5271723), (6, 3514482), (9, 2342988), (12, 1757241), (18, 1171494), (27, 780996), (36, 585747), (37, 569916), (54, 390498), (74, 284958), (81, 260332), (108, 195249), (111, 189972), (148, 142479), (162, 130166), (222, 94986), (324, 65083), (333, 63324), (444, 47493), (666, 31662), (999, 21108), (1332, 15831), (1759, 11988), (1998, 10554), (2997, 7036), (3518, 5994), (3996, 5277)]