21031072

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{1151}}^1$

素因数の和:1732

約数の個数: 24

約数和(自身を含む): 41513472

約数和(自身を除く): 20482400

約数列:

[1, 2, 4, 8, 16, 32, 571, 1142, 1151, 2284, 2302, 4568, 4604, 9136, 9208, 18272, 18416, 36832, 657221, 1314442, 2628884, 5257768, 10515536, 21031072]

約数ペア:

[(1, 21031072), (2, 10515536), (4, 5257768), (8, 2628884), (16, 1314442), (32, 657221), (571, 36832), (1142, 18416), (1151, 18272), (2284, 9208), (2302, 9136), (4568, 4604)]