21020108

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{599}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 38169600

約数和(自身を除く): 17149492

約数列:

[1, 2, 4, 31, 62, 124, 283, 566, 599, 1132, 1198, 2396, 8773, 17546, 18569, 35092, 37138, 74276, 169517, 339034, 678068, 5255027, 10510054, 21020108]

約数ペア:

[(1, 21020108), (2, 10510054), (4, 5255027), (31, 678068), (62, 339034), (124, 169517), (283, 74276), (566, 37138), (599, 35092), (1132, 18569), (1198, 17546), (2396, 8773)]