21084435

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3323}}^1$

素因数の和:3384

約数の個数: 32

約数和(自身を含む): 38292480

約数和(自身を除く): 17208045

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3323, 6345, 9969, 16615, 29907, 49845, 89721, 149535, 156181, 448605, 468543, 780905, 1405629, 2342715, 4216887, 7028145, 21084435]

約数ペア:

[(1, 21084435), (3, 7028145), (5, 4216887), (9, 2342715), (15, 1405629), (27, 780905), (45, 468543), (47, 448605), (135, 156181), (141, 149535), (235, 89721), (423, 49845), (705, 29907), (1269, 16615), (2115, 9969), (3323, 6345)]