21057738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1143

約数の個数: 48

約数和(自身を含む): 48048480

約数和(自身を除く): 26990742

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 169, 247, 338, 494, 507, 741, 1014, 1093, 1482, 2186, 3211, 3279, 6422, 6558, 9633, 14209, 19266, 20767, 28418, 41534, 42627, 62301, 85254, 124602, 184717, 269971, 369434, 539942, 554151, 809913, 1108302, 1619826, 3509623, 7019246, 10528869, 21057738]

約数ペア:

[(1, 21057738), (2, 10528869), (3, 7019246), (6, 3509623), (13, 1619826), (19, 1108302), (26, 809913), (38, 554151), (39, 539942), (57, 369434), (78, 269971), (114, 184717), (169, 124602), (247, 85254), (338, 62301), (494, 42627), (507, 41534), (741, 28418), (1014, 20767), (1093, 19266), (1482, 14209), (2186, 9633), (3211, 6558), (3279, 6422)]