21193669874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8403517}}^1$

素因数の和:8403629

約数の個数: 16

約数和(自身を含む): 34588880088

約数和(自身を除く): 13395210214

約数列:

[1, 2, 13, 26, 97, 194, 1261, 2522, 8403517, 16807034, 109245721, 218491442, 815141149, 1630282298, 10596834937, 21193669874]

約数ペア:

[(1, 21193669874), (2, 10596834937), (13, 1630282298), (26, 815141149), (97, 218491442), (194, 109245721), (1261, 16807034), (2522, 8403517)]