21980238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{907}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 50383104

約数和(自身を除く): 28402866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 577, 907, 1154, 1731, 1814, 2721, 3462, 4039, 5442, 6349, 8078, 12117, 12698, 19047, 24234, 38094, 523339, 1046678, 1570017, 3140034, 3663373, 7326746, 10990119, 21980238]

約数ペア:

[(1, 21980238), (2, 10990119), (3, 7326746), (6, 3663373), (7, 3140034), (14, 1570017), (21, 1046678), (42, 523339), (577, 38094), (907, 24234), (1154, 19047), (1731, 12698), (1814, 12117), (2721, 8078), (3462, 6349), (4039, 5442)]