21144742

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 32335632

約数和(自身を除く): 11190890

約数列:

[1, 2, 73, 146, 251, 502, 577, 1154, 18323, 36646, 42121, 84242, 144827, 289654, 10572371, 21144742]

約数ペア:

[(1, 21144742), (2, 10572371), (73, 289654), (146, 144827), (251, 84242), (502, 42121), (577, 36646), (1154, 18323)]