21273262

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1373}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 32712192

約数和(自身を除く): 11438930

約数列:

[1, 2, 61, 122, 127, 254, 1373, 2746, 7747, 15494, 83753, 167506, 174371, 348742, 10636631, 21273262]

約数ペア:

[(1, 21273262), (2, 10636631), (61, 348742), (122, 174371), (127, 167506), (254, 83753), (1373, 15494), (2746, 7747)]