21025308

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{7331}}^1$

素因数の和:7577

約数の個数: 24

約数和(自身を含む): 49271040

約数和(自身を除く): 28245732

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 7331, 14662, 21993, 29324, 43986, 87972, 1752109, 3504218, 5256327, 7008436, 10512654, 21025308]

約数ペア:

[(1, 21025308), (2, 10512654), (3, 7008436), (4, 5256327), (6, 3504218), (12, 1752109), (239, 87972), (478, 43986), (717, 29324), (956, 21993), (1434, 14662), (2868, 7331)]