21769748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5437}}^1$

素因数の和:5472

約数の個数: 48

約数和(自身を含む): 51160704

約数和(自身を除く): 29390956

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5437, 10874, 21748, 38059, 59807, 70681, 76118, 119614, 141362, 152236, 239228, 282724, 418649, 494767, 777491, 837298, 989534, 1554982, 1674596, 1979068, 3109964, 5442437, 10884874, 21769748]

約数ペア:

[(1, 21769748), (2, 10884874), (4, 5442437), (7, 3109964), (11, 1979068), (13, 1674596), (14, 1554982), (22, 989534), (26, 837298), (28, 777491), (44, 494767), (52, 418649), (77, 282724), (91, 239228), (143, 152236), (154, 141362), (182, 119614), (286, 76118), (308, 70681), (364, 59807), (572, 38059), (1001, 21748), (2002, 10874), (4004, 5437)]