21146356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 46835712

約数和(自身を除く): 25689356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 967, 994, 1562, 1934, 1988, 3124, 3868, 5467, 6769, 10637, 10934, 13538, 21274, 21868, 27076, 42548, 68657, 74459, 137314, 148918, 274628, 297836, 480599, 755227, 961198, 1510454, 1922396, 3020908, 5286589, 10573178, 21146356]

約数ペア:

[(1, 21146356), (2, 10573178), (4, 5286589), (7, 3020908), (11, 1922396), (14, 1510454), (22, 961198), (28, 755227), (44, 480599), (71, 297836), (77, 274628), (142, 148918), (154, 137314), (284, 74459), (308, 68657), (497, 42548), (781, 27076), (967, 21868), (994, 21274), (1562, 13538), (1934, 10934), (1988, 10637), (3124, 6769), (3868, 5467)]