21538070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{58211}}^1$

素因数の和:58255

約数の個数: 16

約数和(自身を含む): 39817008

約数和(自身を除く): 18278938

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 58211, 116422, 291055, 582110, 2153807, 4307614, 10769035, 21538070]

約数ペア:

[(1, 21538070), (2, 10769035), (5, 4307614), (10, 2153807), (37, 582110), (74, 291055), (185, 116422), (370, 58211)]