21242626

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4337}}^1$

素因数の和:4449

約数の個数: 16

約数和(自身を含む): 33315840

約数和(自身を除く): 12073214

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4337, 4898, 8674, 134447, 268894, 342623, 685246, 10621313, 21242626]

約数ペア:

[(1, 21242626), (2, 10621313), (31, 685246), (62, 342623), (79, 268894), (158, 134447), (2449, 8674), (4337, 4898)]