21898857

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6803}}^1$

素因数の和:6872

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 9127383

約数列:

[1, 3, 29, 37, 87, 111, 1073, 3219, 6803, 20409, 197287, 251711, 591861, 755133, 7299619, 21898857]

約数ペア:

[(1, 21898857), (3, 7299619), (29, 755133), (37, 591861), (87, 251711), (111, 197287), (1073, 20409), (3219, 6803)]