21004035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107713}}^1$

素因数の和:107734

約数の個数: 16

約数和(自身を含む): 36191904

約数和(自身を除く): 15187869

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 107713, 323139, 538565, 1400269, 1615695, 4200807, 7001345, 21004035]

約数ペア:

[(1, 21004035), (3, 7001345), (5, 4200807), (13, 1615695), (15, 1400269), (39, 538565), (65, 323139), (195, 107713)]