21316526

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1427}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 40303872

約数和(自身を除く): 18987346

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 1427, 2134, 2854, 7469, 9989, 14938, 15697, 19978, 31394, 109879, 138419, 219758, 276838, 968933, 1522609, 1937866, 3045218, 10658263, 21316526]

約数ペア:

[(1, 21316526), (2, 10658263), (7, 3045218), (11, 1937866), (14, 1522609), (22, 968933), (77, 276838), (97, 219758), (154, 138419), (194, 109879), (679, 31394), (1067, 19978), (1358, 15697), (1427, 14938), (2134, 9989), (2854, 7469)]