21756854

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{50131}}^1$

素因数の和:50171

約数の個数: 16

約数和(自身を含む): 38501376

約数和(自身を除く): 16744522

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 50131, 100262, 350917, 701834, 1554061, 3108122, 10878427, 21756854]

約数ペア:

[(1, 21756854), (2, 10878427), (7, 3108122), (14, 1554061), (31, 701834), (62, 350917), (217, 100262), (434, 50131)]