21038332

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9511}}^1$

素因数の和:9601

約数の個数: 24

約数和(自身を含む): 42613760

約数和(自身を除く): 21575428

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9511, 19022, 38044, 66577, 133154, 266308, 751369, 1502738, 3005476, 5259583, 10519166, 21038332]

約数ペア:

[(1, 21038332), (2, 10519166), (4, 5259583), (7, 3005476), (14, 1502738), (28, 751369), (79, 266308), (158, 133154), (316, 66577), (553, 38044), (1106, 19022), (2212, 9511)]