21411334

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{5081}}^1$

素因数の和:5140

約数の個数: 24

約数和(自身を含む): 38236968

約数和(自身を除く): 16825634

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 5081, 10162, 35567, 71134, 218483, 248969, 436966, 497938, 1529381, 3058762, 10705667, 21411334]

約数ペア:

[(1, 21411334), (2, 10705667), (7, 3058762), (14, 1529381), (43, 497938), (49, 436966), (86, 248969), (98, 218483), (301, 71134), (602, 35567), (2107, 10162), (4214, 5081)]