21054402

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26748990

約数列:

[1, 2, 3, 6, 9, 18, 41, 47, 82, 94, 123, 141, 246, 282, 369, 423, 607, 738, 846, 1214, 1821, 1927, 3642, 3854, 5463, 5781, 10926, 11562, 17343, 24887, 28529, 34686, 49774, 57058, 74661, 85587, 149322, 171174, 223983, 256761, 447966, 513522, 1169689, 2339378, 3509067, 7018134, 10527201, 21054402]

約数ペア:

[(1, 21054402), (2, 10527201), (3, 7018134), (6, 3509067), (9, 2339378), (18, 1169689), (41, 513522), (47, 447966), (82, 256761), (94, 223983), (123, 171174), (141, 149322), (246, 85587), (282, 74661), (369, 57058), (423, 49774), (607, 34686), (738, 28529), (846, 24887), (1214, 17343), (1821, 11562), (1927, 10926), (3642, 5781), (3854, 5463)]