21208082

素因数分解:

$2^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:966

約数の個数: 24

約数和(自身を含む): 37168560

約数和(自身を除く): 15960478

約数列:

[1, 2, 7, 14, 49, 98, 379, 571, 758, 1142, 2653, 3997, 5306, 7994, 18571, 27979, 37142, 55958, 216409, 432818, 1514863, 3029726, 10604041, 21208082]

約数ペア:

[(1, 21208082), (2, 10604041), (7, 3029726), (14, 1514863), (49, 432818), (98, 216409), (379, 55958), (571, 37142), (758, 27979), (1142, 18571), (2653, 7994), (3997, 5306)]