21102642

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9689}}^1$

素因数の和:9719

約数の個数: 36

約数和(自身を含む): 50262030

約数和(自身を除く): 29159388

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9689, 19378, 29067, 58134, 87201, 106579, 174402, 213158, 319737, 639474, 959211, 1172369, 1918422, 2344738, 3517107, 7034214, 10551321, 21102642]

約数ペア:

[(1, 21102642), (2, 10551321), (3, 7034214), (6, 3517107), (9, 2344738), (11, 1918422), (18, 1172369), (22, 959211), (33, 639474), (66, 319737), (99, 213158), (121, 174402), (198, 106579), (242, 87201), (363, 58134), (726, 29067), (1089, 19378), (2178, 9689)]