21707514

素因数分解:

$2^1\times 3^4\times {\mathrm{47}}^1\times {\mathrm{2851}}^1$

素因数の和:2912

約数の個数: 40

約数和(自身を含む): 49693248

約数和(自身を除く): 27985734

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 81, 94, 141, 162, 282, 423, 846, 1269, 2538, 2851, 3807, 5702, 7614, 8553, 17106, 25659, 51318, 76977, 133997, 153954, 230931, 267994, 401991, 461862, 803982, 1205973, 2411946, 3617919, 7235838, 10853757, 21707514]

約数ペア:

[(1, 21707514), (2, 10853757), (3, 7235838), (6, 3617919), (9, 2411946), (18, 1205973), (27, 803982), (47, 461862), (54, 401991), (81, 267994), (94, 230931), (141, 153954), (162, 133997), (282, 76977), (423, 51318), (846, 25659), (1269, 17106), (2538, 8553), (2851, 7614), (3807, 5702)]