21908068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 47635840

約数和(自身を除く): 25727772

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 433, 556, 866, 973, 1732, 1807, 1946, 3031, 3614, 3892, 5629, 6062, 7228, 11258, 12124, 12649, 22516, 25298, 39403, 50596, 60187, 78806, 120374, 157612, 240748, 421309, 782431, 842618, 1564862, 1685236, 3129724, 5477017, 10954034, 21908068]

約数ペア:

[(1, 21908068), (2, 10954034), (4, 5477017), (7, 3129724), (13, 1685236), (14, 1564862), (26, 842618), (28, 782431), (52, 421309), (91, 240748), (139, 157612), (182, 120374), (278, 78806), (364, 60187), (433, 50596), (556, 39403), (866, 25298), (973, 22516), (1732, 12649), (1807, 12124), (1946, 11258), (3031, 7228), (3614, 6062), (3892, 5629)]