21494578

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{37447}}^1$

素因数の和:37497

約数の個数: 16

約数和(自身を含む): 37747584

約数和(自身を除く): 16253006

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 37447, 74894, 262129, 524258, 1535327, 3070654, 10747289, 21494578]

約数ペア:

[(1, 21494578), (2, 10747289), (7, 3070654), (14, 1535327), (41, 524258), (82, 262129), (287, 74894), (574, 37447)]