21795686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 15155866

約数列:

[1, 2, 11, 22, 47, 94, 107, 197, 214, 394, 517, 1034, 1177, 2167, 2354, 4334, 5029, 9259, 10058, 18518, 21079, 42158, 55319, 101849, 110638, 203698, 231869, 463738, 990713, 1981426, 10897843, 21795686]

約数ペア:

[(1, 21795686), (2, 10897843), (11, 1981426), (22, 990713), (47, 463738), (94, 231869), (107, 203698), (197, 110638), (214, 101849), (394, 55319), (517, 42158), (1034, 21079), (1177, 18518), (2167, 10058), (2354, 9259), (4334, 5029)]