21445419

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 8230101

約数列:

[1, 3, 41, 79, 123, 237, 2207, 3239, 6621, 9717, 90487, 174353, 271461, 523059, 7148473, 21445419]

約数ペア:

[(1, 21445419), (3, 7148473), (41, 523059), (79, 271461), (123, 174353), (237, 90487), (2207, 9717), (3239, 6621)]