21334923

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1979

約数の個数: 24

約数和(自身を含む): 32638320

約数和(自身を除く): 11303397

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1901, 3741, 5703, 11223, 17109, 55129, 81743, 165387, 245229, 496161, 735687, 2370547, 7111641, 21334923]

約数ペア:

[(1, 21334923), (3, 7111641), (9, 2370547), (29, 735687), (43, 496161), (87, 245229), (129, 165387), (261, 81743), (387, 55129), (1247, 17109), (1901, 11223), (3741, 5703)]