21057588

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15809}}^1$

素因数の和:15856

約数の個数: 36

約数和(自身を含む): 54670980

約数和(自身を除く): 33613392

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15809, 31618, 47427, 63236, 94854, 142281, 189708, 284562, 569124, 584933, 1169866, 1754799, 2339732, 3509598, 5264397, 7019196, 10528794, 21057588]

約数ペア:

[(1, 21057588), (2, 10528794), (3, 7019196), (4, 5264397), (6, 3509598), (9, 2339732), (12, 1754799), (18, 1169866), (36, 584933), (37, 569124), (74, 284562), (111, 189708), (148, 142281), (222, 94854), (333, 63236), (444, 47427), (666, 31618), (1332, 15809)]