42053590

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21347}}^1$

素因数の和:21551

約数の個数: 16

約数和(自身を含む): 76084272

約数和(自身を除く): 34030682

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 21347, 42694, 106735, 213470, 4205359, 8410718, 21026795, 42053590]

約数ペア:

[(1, 42053590), (2, 21026795), (5, 8410718), (10, 4205359), (197, 213470), (394, 106735), (985, 42694), (1970, 21347)]