21396558

素因数分解:

$2^1\times 3^1\times {\mathrm{401}}^1\times {\mathrm{8893}}^1$

素因数の和:9299

約数の個数: 16

約数和(自身を含む): 42904656

約数和(自身を除く): 21508098

約数列:

[1, 2, 3, 6, 401, 802, 1203, 2406, 8893, 17786, 26679, 53358, 3566093, 7132186, 10698279, 21396558]

約数ペア:

[(1, 21396558), (2, 10698279), (3, 7132186), (6, 3566093), (401, 53358), (802, 26679), (1203, 17786), (2406, 8893)]