21283152044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^2\times {\mathrm{12967}}^1$

素因数の和:13135

約数の個数: 72

約数和(自身を含む): 47084421888

約数和(自身を除く): 25801269844

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 803, 1022, 1606, 2044, 3212, 5329, 5621, 10658, 11242, 12967, 21316, 22484, 25934, 37303, 51868, 58619, 74606, 90769, 117238, 142637, 149212, 181538, 234476, 285274, 363076, 410333, 570548, 820666, 946591, 998459, 1641332, 1893182, 1996918, 3786364, 3993836, 6626137, 10412501, 13252274, 20825002, 26504548, 41650004, 69101143, 72887507, 138202286, 145775014, 276404572, 291550028, 483708001, 760112573, 967416002, 1520225146, 1934832004, 3040450292, 5320788011, 10641576022, 21283152044]

約数ペア:

[(1, 21283152044), (2, 10641576022), (4, 5320788011), (7, 3040450292), (11, 1934832004), (14, 1520225146), (22, 967416002), (28, 760112573), (44, 483708001), (73, 291550028), (77, 276404572), (146, 145775014), (154, 138202286), (292, 72887507), (308, 69101143), (511, 41650004), (803, 26504548), (1022, 20825002), (1606, 13252274), (2044, 10412501), (3212, 6626137), (5329, 3993836), (5621, 3786364), (10658, 1996918), (11242, 1893182), (12967, 1641332), (21316, 998459), (22484, 946591), (25934, 820666), (37303, 570548), (51868, 410333), (58619, 363076), (74606, 285274), (90769, 234476), (117238, 181538), (142637, 149212)]