21009710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{56783}}^1$

素因数の和:56827

約数の個数: 16

約数和(自身を含む): 38840256

約数和(自身を除く): 17830546

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 56783, 113566, 283915, 567830, 2100971, 4201942, 10504855, 21009710]

約数ペア:

[(1, 21009710), (2, 10504855), (5, 4201942), (10, 2100971), (37, 567830), (74, 283915), (185, 113566), (370, 56783)]