21794330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 19755430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 457, 502, 914, 1255, 2285, 2510, 4570, 4769, 8683, 9538, 17366, 23845, 43415, 47690, 86830, 114707, 229414, 573535, 1147070, 2179433, 4358866, 10897165, 21794330]

約数ペア:

[(1, 21794330), (2, 10897165), (5, 4358866), (10, 2179433), (19, 1147070), (38, 573535), (95, 229414), (190, 114707), (251, 86830), (457, 47690), (502, 43415), (914, 23845), (1255, 17366), (2285, 9538), (2510, 8683), (4570, 4769)]