21155246

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79531}}^1$

素因数の和:79559

約数の個数: 16

約数和(自身を含む): 38175360

約数和(自身を除く): 17020114

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79531, 159062, 556717, 1113434, 1511089, 3022178, 10577623, 21155246]

約数ペア:

[(1, 21155246), (2, 10577623), (7, 3022178), (14, 1511089), (19, 1113434), (38, 556717), (133, 159062), (266, 79531)]