21461601

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23767}}^1$

素因数の和:23820

約数の個数: 16

約数和(自身を含む): 33465344

約数和(自身を除く): 12003743

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23767, 71301, 166369, 499107, 1021981, 3065943, 7153867, 21461601]

約数ペア:

[(1, 21461601), (3, 7153867), (7, 3065943), (21, 1021981), (43, 499107), (129, 166369), (301, 71301), (903, 23767)]