21986997613

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{47119}}^1$

素因数の和:47329

約数の個数: 24

約数和(自身を含む): 26106364800

約数和(自身を除く): 4119367187

約数列:

[1, 7, 49, 89, 107, 623, 749, 4361, 5243, 9523, 47119, 66661, 329833, 466627, 2308831, 4193591, 5041733, 29355137, 35292131, 205485959, 247044917, 448714237, 3140999659, 21986997613]

約数ペア:

[(1, 21986997613), (7, 3140999659), (49, 448714237), (89, 247044917), (107, 205485959), (623, 35292131), (749, 29355137), (4361, 5041733), (5243, 4193591), (9523, 2308831), (47119, 466627), (66661, 329833)]