21541191

素因数分解:

$3^1\times 7^1\times {\mathrm{773}}^1\times {\mathrm{1327}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 32891904

約数和(自身を除く): 11350713

約数列:

[1, 3, 7, 21, 773, 1327, 2319, 3981, 5411, 9289, 16233, 27867, 1025771, 3077313, 7180397, 21541191]

約数ペア:

[(1, 21541191), (3, 7180397), (7, 3077313), (21, 1025771), (773, 27867), (1327, 16233), (2319, 9289), (3981, 5411)]