21000481191

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{604661}}^1$

素因数の和:604911

約数の個数: 24

約数和(自身を含む): 32259927024

約数和(自身を除く): 11259445833

約数列:

[1, 3, 9, 17, 51, 153, 227, 681, 2043, 3859, 11577, 34731, 604661, 1813983, 5441949, 10279237, 30837711, 92513133, 137258047, 411774141, 1235322423, 2333386799, 7000160397, 21000481191]

約数ペア:

[(1, 21000481191), (3, 7000160397), (9, 2333386799), (17, 1235322423), (51, 411774141), (153, 137258047), (227, 92513133), (681, 30837711), (2043, 10279237), (3859, 5441949), (11577, 1813983), (34731, 604661)]