2100979587

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{26729}}^1$

素因数の和:26955

約数の個数: 32

約数和(自身を含む): 3387225600

約数和(自身を除く): 1286246013

約数列:

[1, 3, 7, 19, 21, 57, 133, 197, 399, 591, 1379, 3743, 4137, 11229, 26201, 26729, 78603, 80187, 187103, 507851, 561309, 1523553, 3554957, 5265613, 10664871, 15796839, 36859291, 100046647, 110577873, 300139941, 700326529, 2100979587]

約数ペア:

[(1, 2100979587), (3, 700326529), (7, 300139941), (19, 110577873), (21, 100046647), (57, 36859291), (133, 15796839), (197, 10664871), (399, 5265613), (591, 3554957), (1379, 1523553), (3743, 561309), (4137, 507851), (11229, 187103), (26201, 80187), (26729, 78603)]