21506230

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6871}}^1$

素因数の和:7191

約数の個数: 16

約数和(自身を含む): 38840544

約数和(自身を除く): 17334314

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6871, 13742, 34355, 68710, 2150623, 4301246, 10753115, 21506230]

約数ペア:

[(1, 21506230), (2, 10753115), (5, 4301246), (10, 2150623), (313, 68710), (626, 34355), (1565, 13742), (3130, 6871)]