21037552

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10037}}^1$

素因数の和:10176

約数の個数: 20

約数和(自身を含む): 41075496

約数和(自身を除く): 20037944

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10037, 20074, 40148, 80296, 160592, 1314847, 2629694, 5259388, 10518776, 21037552]

約数ペア:

[(1, 21037552), (2, 10518776), (4, 5259388), (8, 2629694), (16, 1314847), (131, 160592), (262, 80296), (524, 40148), (1048, 20074), (2096, 10037)]