21398052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 54535040

約数和(自身を除く): 33136988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1879, 1898, 2847, 3758, 3796, 5637, 5694, 7516, 11274, 11388, 22548, 24427, 48854, 73281, 97708, 137167, 146562, 274334, 293124, 411501, 548668, 823002, 1646004, 1783171, 3566342, 5349513, 7132684, 10699026, 21398052]

約数ペア:

[(1, 21398052), (2, 10699026), (3, 7132684), (4, 5349513), (6, 3566342), (12, 1783171), (13, 1646004), (26, 823002), (39, 548668), (52, 411501), (73, 293124), (78, 274334), (146, 146562), (156, 137167), (219, 97708), (292, 73281), (438, 48854), (876, 24427), (949, 22548), (1879, 11388), (1898, 11274), (2847, 7516), (3758, 5694), (3796, 5637)]