42190421

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 53434080

約数和(自身を除く): 11243659

約数列:

[1, 7, 13, 49, 91, 107, 619, 637, 749, 1391, 4333, 5243, 8047, 9737, 30331, 56329, 66233, 68159, 394303, 463631, 861029, 3245417, 6027203, 42190421]

約数ペア:

[(1, 42190421), (7, 6027203), (13, 3245417), (49, 861029), (91, 463631), (107, 394303), (619, 68159), (637, 66233), (749, 56329), (1391, 30331), (4333, 9737), (5243, 8047)]