21545838

素因数分解:

$2^1\times 3^5\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 49585536

約数和(自身を除く): 28039698

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 243, 258, 387, 486, 774, 1031, 1161, 2062, 2322, 3093, 3483, 6186, 6966, 9279, 10449, 18558, 20898, 27837, 44333, 55674, 83511, 88666, 132999, 167022, 250533, 265998, 398997, 501066, 797994, 1196991, 2393982, 3590973, 7181946, 10772919, 21545838]

約数ペア:

[(1, 21545838), (2, 10772919), (3, 7181946), (6, 3590973), (9, 2393982), (18, 1196991), (27, 797994), (43, 501066), (54, 398997), (81, 265998), (86, 250533), (129, 167022), (162, 132999), (243, 88666), (258, 83511), (387, 55674), (486, 44333), (774, 27837), (1031, 20898), (1161, 18558), (2062, 10449), (2322, 9279), (3093, 6966), (3483, 6186)]