21473982

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2693}}^1$

素因数の和:3144

約数の個数: 24

約数和(自身を含む): 46649304

約数和(自身を除く): 25175322

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2658, 2693, 3987, 5386, 7974, 8079, 16158, 24237, 48474, 1192999, 2385998, 3578997, 7157994, 10736991, 21473982]

約数ペア:

[(1, 21473982), (2, 10736991), (3, 7157994), (6, 3578997), (9, 2385998), (18, 1192999), (443, 48474), (886, 24237), (1329, 16158), (2658, 8079), (2693, 7974), (3987, 5386)]