21403986

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 45577728

約数和(自身を除く): 24173742

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 223, 446, 669, 941, 1338, 1882, 2823, 3791, 5646, 7582, 11373, 15997, 22746, 31994, 47991, 95982, 209843, 419686, 629529, 1259058, 3567331, 7134662, 10701993, 21403986]

約数ペア:

[(1, 21403986), (2, 10701993), (3, 7134662), (6, 3567331), (17, 1259058), (34, 629529), (51, 419686), (102, 209843), (223, 95982), (446, 47991), (669, 31994), (941, 22746), (1338, 15997), (1882, 11373), (2823, 7582), (3791, 5646)]