21615688

素因数分解:

$2^3\times {\mathrm{587}}^1\times {\mathrm{4603}}^1$

素因数の和:5196

約数の個数: 16

約数和(自身を含む): 40607280

約数和(自身を除く): 18991592

約数列:

[1, 2, 4, 8, 587, 1174, 2348, 4603, 4696, 9206, 18412, 36824, 2701961, 5403922, 10807844, 21615688]

約数ペア:

[(1, 21615688), (2, 10807844), (4, 5403922), (8, 2701961), (587, 36824), (1174, 18412), (2348, 9206), (4603, 4696)]