21108402

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{719}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 31457358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 699, 719, 1398, 1438, 1631, 2097, 2157, 3262, 4194, 4314, 4893, 5033, 6471, 9786, 10066, 12942, 14679, 15099, 29358, 30198, 45297, 90594, 167527, 335054, 502581, 1005162, 1172689, 1507743, 2345378, 3015486, 3518067, 7036134, 10554201, 21108402]

約数ペア:

[(1, 21108402), (2, 10554201), (3, 7036134), (6, 3518067), (7, 3015486), (9, 2345378), (14, 1507743), (18, 1172689), (21, 1005162), (42, 502581), (63, 335054), (126, 167527), (233, 90594), (466, 45297), (699, 30198), (719, 29358), (1398, 15099), (1438, 14679), (1631, 12942), (2097, 10066), (2157, 9786), (3262, 6471), (4194, 5033), (4314, 4893)]