21090468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5839}}^1$

素因数の和:5896

約数の個数: 48

約数和(自身を含む): 57559040

約数和(自身を除く): 36468572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5839, 11678, 17517, 23356, 35034, 40873, 70068, 81746, 122619, 163492, 245238, 251077, 490476, 502154, 753231, 1004308, 1506462, 1757539, 3012924, 3515078, 5272617, 7030156, 10545234, 21090468]

約数ペア:

[(1, 21090468), (2, 10545234), (3, 7030156), (4, 5272617), (6, 3515078), (7, 3012924), (12, 1757539), (14, 1506462), (21, 1004308), (28, 753231), (42, 502154), (43, 490476), (84, 251077), (86, 245238), (129, 163492), (172, 122619), (258, 81746), (301, 70068), (516, 40873), (602, 35034), (903, 23356), (1204, 17517), (1806, 11678), (3612, 5839)]