21540232

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5741}}^1$

素因数の和:5821

約数の個数: 32

約数和(自身を含む): 46854720

約数和(自身を除く): 25314488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5741, 11482, 22964, 40187, 45928, 80374, 160748, 321496, 384647, 769294, 1538588, 2692529, 3077176, 5385058, 10770116, 21540232]

約数ペア:

[(1, 21540232), (2, 10770116), (4, 5385058), (7, 3077176), (8, 2692529), (14, 1538588), (28, 769294), (56, 384647), (67, 321496), (134, 160748), (268, 80374), (469, 45928), (536, 40187), (938, 22964), (1876, 11482), (3752, 5741)]