21341243

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5897}}^1$

素因数の和:5962

約数の個数: 16

約数和(自身を含む): 27177984

約数和(自身を除く): 5836741

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5897, 41279, 64867, 277159, 454069, 1940113, 3048749, 21341243]

約数ペア:

[(1, 21341243), (7, 3048749), (11, 1940113), (47, 454069), (77, 277159), (329, 64867), (517, 41279), (3619, 5897)]