211340590

素因数分解:

$2^1\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{19919}}^1$

素因数の和:20987

約数の個数: 16

約数和(自身を含む): 380790720

約数和(自身を除く): 169450130

約数列:

[1, 2, 5, 10, 1061, 2122, 5305, 10610, 19919, 39838, 99595, 199190, 21134059, 42268118, 105670295, 211340590]

約数ペア:

[(1, 211340590), (2, 105670295), (5, 42268118), (10, 21134059), (1061, 199190), (2122, 99595), (5305, 39838), (10610, 19919)]