21002226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7043}}^1$

素因数の和:7126

約数の個数: 32

約数和(自身を含む): 48688128

約数和(自身を除く): 27685902

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7043, 14086, 21129, 42258, 49301, 98602, 147903, 295806, 500053, 1000106, 1500159, 3000318, 3500371, 7000742, 10501113, 21002226]

約数ペア:

[(1, 21002226), (2, 10501113), (3, 7000742), (6, 3500371), (7, 3000318), (14, 1500159), (21, 1000106), (42, 500053), (71, 295806), (142, 147903), (213, 98602), (426, 49301), (497, 42258), (994, 21129), (1491, 14086), (2982, 7043)]