21025983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7159}}^1$

素因数の和:7262

約数の個数: 16

約数和(自身を含む): 30931200

約数和(自身を除く): 9905217

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7159, 21477, 78749, 236247, 637151, 1911453, 7008661, 21025983]

約数ペア:

[(1, 21025983), (3, 7008661), (11, 1911453), (33, 637151), (89, 236247), (267, 78749), (979, 21477), (2937, 7159)]