21703913

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 28000224

約数和(自身を除く): 6296311

約数列:

[1, 7, 11, 49, 67, 77, 469, 539, 601, 737, 3283, 4207, 5159, 6611, 29449, 36113, 40267, 46277, 281869, 323939, 442937, 1973083, 3100559, 21703913]

約数ペア:

[(1, 21703913), (7, 3100559), (11, 1973083), (49, 442937), (67, 323939), (77, 281869), (469, 46277), (539, 40267), (601, 36113), (737, 29449), (3283, 6611), (4207, 5159)]