20210979321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{965047}}^1$

素因数の和:965245

約数の個数: 24

約数和(自身を含む): 31614972480

約数和(自身を除く): 11403993159

約数列:

[1, 3, 9, 13, 39, 117, 179, 537, 1611, 2327, 6981, 20943, 965047, 2895141, 8685423, 12545611, 37636833, 112910499, 172743413, 518230239, 1554690717, 2245664369, 6736993107, 20210979321]

約数ペア:

[(1, 20210979321), (3, 6736993107), (9, 2245664369), (13, 1554690717), (39, 518230239), (117, 172743413), (179, 112910499), (537, 37636833), (1611, 12545611), (2327, 8685423), (6981, 2895141), (20943, 965047)]