21157074

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{7211}}^1$

素因数の和:7382

約数の個数: 24

約数和(自身を含む): 46127952

約数和(自身を除く): 24970878

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 7211, 14422, 21633, 43266, 64899, 129798, 1175393, 2350786, 3526179, 7052358, 10578537, 21157074]

約数ペア:

[(1, 21157074), (2, 10578537), (3, 7052358), (6, 3526179), (9, 2350786), (18, 1175393), (163, 129798), (326, 64899), (489, 43266), (978, 21633), (1467, 14422), (2934, 7211)]