21203220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9551}}^1$

素因数の和:9600

約数の個数: 48

約数和(自身を含む): 60979968

約数和(自身を除く): 39776748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9551, 19102, 28653, 38204, 47755, 57306, 95510, 114612, 143265, 191020, 286530, 353387, 573060, 706774, 1060161, 1413548, 1766935, 2120322, 3533870, 4240644, 5300805, 7067740, 10601610, 21203220]

約数ペア:

[(1, 21203220), (2, 10601610), (3, 7067740), (4, 5300805), (5, 4240644), (6, 3533870), (10, 2120322), (12, 1766935), (15, 1413548), (20, 1060161), (30, 706774), (37, 573060), (60, 353387), (74, 286530), (111, 191020), (148, 143265), (185, 114612), (222, 95510), (370, 57306), (444, 47755), (555, 38204), (740, 28653), (1110, 19102), (2220, 9551)]