21250398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 48487680

約数和(自身を除く): 27237282

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 169, 247, 338, 494, 507, 741, 1014, 1103, 1482, 2206, 3211, 3309, 6422, 6618, 9633, 14339, 19266, 20957, 28678, 41914, 43017, 62871, 86034, 125742, 186407, 272441, 372814, 544882, 559221, 817323, 1118442, 1634646, 3541733, 7083466, 10625199, 21250398]

約数ペア:

[(1, 21250398), (2, 10625199), (3, 7083466), (6, 3541733), (13, 1634646), (19, 1118442), (26, 817323), (38, 559221), (39, 544882), (57, 372814), (78, 272441), (114, 186407), (169, 125742), (247, 86034), (338, 62871), (494, 43017), (507, 41914), (741, 28678), (1014, 20957), (1103, 19266), (1482, 14339), (2206, 9633), (3211, 6618), (3309, 6422)]