21907782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 51459408

約数和(自身を除く): 29551626

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 251, 373, 502, 746, 753, 1119, 1506, 2238, 2259, 3263, 3357, 4518, 4849, 6526, 6714, 9698, 9789, 14547, 19578, 29094, 29367, 43641, 58734, 87282, 93623, 187246, 280869, 561738, 842607, 1217099, 1685214, 2434198, 3651297, 7302594, 10953891, 21907782]

約数ペア:

[(1, 21907782), (2, 10953891), (3, 7302594), (6, 3651297), (9, 2434198), (13, 1685214), (18, 1217099), (26, 842607), (39, 561738), (78, 280869), (117, 187246), (234, 93623), (251, 87282), (373, 58734), (502, 43641), (746, 29367), (753, 29094), (1119, 19578), (1506, 14547), (2238, 9789), (2259, 9698), (3263, 6714), (3357, 6526), (4518, 4849)]