21889458

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{6173}}^1$

素因数の和:6378

約数の個数: 24

約数和(自身を含む): 47675628

約数和(自身を除く): 25786170

約数列:

[1, 2, 3, 6, 9, 18, 197, 394, 591, 1182, 1773, 3546, 6173, 12346, 18519, 37038, 55557, 111114, 1216081, 2432162, 3648243, 7296486, 10944729, 21889458]

約数ペア:

[(1, 21889458), (2, 10944729), (3, 7296486), (6, 3648243), (9, 2432162), (18, 1216081), (197, 111114), (394, 55557), (591, 37038), (1182, 18519), (1773, 12346), (3546, 6173)]