21303933

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19141}}^1$

素因数の和:19204

約数の個数: 16

約数和(自身を含む): 33077376

約数和(自身を除く): 11773443

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19141, 57423, 133987, 401961, 1014473, 3043419, 7101311, 21303933]

約数ペア:

[(1, 21303933), (3, 7101311), (7, 3043419), (21, 1014473), (53, 401961), (159, 133987), (371, 57423), (1113, 19141)]