21673965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{673}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 36881280

約数和(自身を除く): 15207315

約数列:

[1, 3, 5, 15, 19, 57, 95, 113, 285, 339, 565, 673, 1695, 2019, 2147, 3365, 6441, 10095, 10735, 12787, 32205, 38361, 63935, 76049, 191805, 228147, 380245, 1140735, 1444931, 4334793, 7224655, 21673965]

約数ペア:

[(1, 21673965), (3, 7224655), (5, 4334793), (15, 1444931), (19, 1140735), (57, 380245), (95, 228147), (113, 191805), (285, 76049), (339, 63935), (565, 38361), (673, 32205), (1695, 12787), (2019, 10735), (2147, 10095), (3365, 6441)]