21077982

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5657}}^1$

素因数の和:5694

約数の個数: 40

約数和(自身を含む): 49292496

約数和(自身を除く): 28214514

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5657, 11314, 16971, 33942, 50913, 101826, 130111, 152739, 260222, 305478, 390333, 458217, 780666, 916434, 1170999, 2341998, 3512997, 7025994, 10538991, 21077982]

約数ペア:

[(1, 21077982), (2, 10538991), (3, 7025994), (6, 3512997), (9, 2341998), (18, 1170999), (23, 916434), (27, 780666), (46, 458217), (54, 390333), (69, 305478), (81, 260222), (138, 152739), (162, 130111), (207, 101826), (414, 50913), (621, 33942), (1242, 16971), (1863, 11314), (3726, 5657)]