21779964

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2713}}^1$

素因数の和:2946

約数の個数: 36

約数和(自身を含む): 55322176

約数和(自身を除く): 33542212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 2713, 4014, 5426, 8028, 8139, 10852, 16278, 24417, 32556, 48834, 97668, 604999, 1209998, 1814997, 2419996, 3629994, 5444991, 7259988, 10889982, 21779964]

約数ペア:

[(1, 21779964), (2, 10889982), (3, 7259988), (4, 5444991), (6, 3629994), (9, 2419996), (12, 1814997), (18, 1209998), (36, 604999), (223, 97668), (446, 48834), (669, 32556), (892, 24417), (1338, 16278), (2007, 10852), (2676, 8139), (2713, 8028), (4014, 5426)]