21476568

素因数分解:

$2^3\times 3^1\times {\mathrm{449}}^1\times {\mathrm{1993}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 53838000

約数和(自身を除く): 32361432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 449, 898, 1347, 1796, 1993, 2694, 3592, 3986, 5388, 5979, 7972, 10776, 11958, 15944, 23916, 47832, 894857, 1789714, 2684571, 3579428, 5369142, 7158856, 10738284, 21476568]

約数ペア:

[(1, 21476568), (2, 10738284), (3, 7158856), (4, 5369142), (6, 3579428), (8, 2684571), (12, 1789714), (24, 894857), (449, 47832), (898, 23916), (1347, 15944), (1796, 11958), (1993, 10776), (2694, 7972), (3592, 5979), (3986, 5388)]