21137142

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5113}}^1$

素因数の和:5184

約数の個数: 32

約数和(自身を含む): 46394208

約数和(自身を除く): 25257066

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5113, 10226, 15339, 30678, 66469, 132938, 199407, 270989, 398814, 541978, 812967, 1625934, 3522857, 7045714, 10568571, 21137142]

約数ペア:

[(1, 21137142), (2, 10568571), (3, 7045714), (6, 3522857), (13, 1625934), (26, 812967), (39, 541978), (53, 398814), (78, 270989), (106, 199407), (159, 132938), (318, 66469), (689, 30678), (1378, 15339), (2067, 10226), (4134, 5113)]