21118638

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 22547922

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 251, 379, 502, 753, 758, 1137, 1506, 2274, 9287, 14023, 18574, 27861, 28046, 42069, 55722, 84138, 95129, 190258, 285387, 570774, 3519773, 7039546, 10559319, 21118638]

約数ペア:

[(1, 21118638), (2, 10559319), (3, 7039546), (6, 3519773), (37, 570774), (74, 285387), (111, 190258), (222, 95129), (251, 84138), (379, 55722), (502, 42069), (753, 28046), (758, 27861), (1137, 18574), (1506, 14023), (2274, 9287)]