21931713

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 33054528

約数和(自身を除く): 11122815

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 983, 2479, 2949, 7437, 8847, 22311, 36371, 65861, 109113, 197583, 327339, 592749, 2436857, 7310571, 21931713]

約数ペア:

[(1, 21931713), (3, 7310571), (9, 2436857), (37, 592749), (67, 327339), (111, 197583), (201, 109113), (333, 65861), (603, 36371), (983, 22311), (2479, 8847), (2949, 7437)]