21926691

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 10505709

約数列:

[1, 3, 9, 83, 149, 197, 249, 447, 591, 747, 1341, 1773, 12367, 16351, 29353, 37101, 49053, 88059, 111303, 147159, 264177, 2436299, 7308897, 21926691]

約数ペア:

[(1, 21926691), (3, 7308897), (9, 2436299), (83, 264177), (149, 147159), (197, 111303), (249, 88059), (447, 49053), (591, 37101), (747, 29353), (1341, 16351), (1773, 12367)]