21256836

素因数分解:

$2^2\times 3^1\times {\mathrm{433}}^1\times {\mathrm{4091}}^1$

素因数の和:4531

約数の個数: 24

約数和(自身を含む): 49725984

約数和(自身を除く): 28469148

約数列:

[1, 2, 3, 4, 6, 12, 433, 866, 1299, 1732, 2598, 4091, 5196, 8182, 12273, 16364, 24546, 49092, 1771403, 3542806, 5314209, 7085612, 10628418, 21256836]

約数ペア:

[(1, 21256836), (2, 10628418), (3, 7085612), (4, 5314209), (6, 3542806), (12, 1771403), (433, 49092), (866, 24546), (1299, 16364), (1732, 12273), (2598, 8182), (4091, 5196)]