21300363

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1699}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 35360000

約数和(自身を除く): 14059637

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1699, 1791, 4179, 5097, 11893, 12537, 15291, 35679, 107037, 338101, 1014303, 2366707, 3042909, 7100121, 21300363]

約数ペア:

[(1, 21300363), (3, 7100121), (7, 3042909), (9, 2366707), (21, 1014303), (63, 338101), (199, 107037), (597, 35679), (1393, 15291), (1699, 12537), (1791, 11893), (4179, 5097)]