21904534

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{1021}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 34878816

約数和(自身を除く): 12974282

約数列:

[1, 2, 17, 34, 631, 1021, 1262, 2042, 10727, 17357, 21454, 34714, 644251, 1288502, 10952267, 21904534]

約数ペア:

[(1, 21904534), (2, 10952267), (17, 1288502), (34, 644251), (631, 34714), (1021, 21454), (1262, 17357), (2042, 10727)]