21971574

素因数分解:

$2^1\times 3^5\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 50358672

約数和(自身を除く): 28387098

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 243, 318, 477, 486, 853, 954, 1431, 1706, 2559, 2862, 4293, 5118, 7677, 8586, 12879, 15354, 23031, 25758, 45209, 46062, 69093, 90418, 135627, 138186, 207279, 271254, 406881, 414558, 813762, 1220643, 2441286, 3661929, 7323858, 10985787, 21971574]

約数ペア:

[(1, 21971574), (2, 10985787), (3, 7323858), (6, 3661929), (9, 2441286), (18, 1220643), (27, 813762), (53, 414558), (54, 406881), (81, 271254), (106, 207279), (159, 138186), (162, 135627), (243, 90418), (318, 69093), (477, 46062), (486, 45209), (853, 25758), (954, 23031), (1431, 15354), (1706, 12879), (2559, 8586), (2862, 7677), (4293, 5118)]