21305286

素因数分解:

$2^1\times 3^2\times {\mathrm{191}}^1\times {\mathrm{6197}}^1$

素因数の和:6396

約数の個数: 24

約数和(自身を含む): 46410624

約数和(自身を除く): 25105338

約数列:

[1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 6197, 12394, 18591, 37182, 55773, 111546, 1183627, 2367254, 3550881, 7101762, 10652643, 21305286]

約数ペア:

[(1, 21305286), (2, 10652643), (3, 7101762), (6, 3550881), (9, 2367254), (18, 1183627), (191, 111546), (382, 55773), (573, 37182), (1146, 18591), (1719, 12394), (3438, 6197)]