21086014

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 32808960

約数和(自身を除く): 11722946

約数列:

[1, 2, 31, 62, 239, 478, 1423, 2846, 7409, 14818, 44113, 88226, 340097, 680194, 10543007, 21086014]

約数ペア:

[(1, 21086014), (2, 10543007), (31, 680194), (62, 340097), (239, 88226), (478, 44113), (1423, 14818), (2846, 7409)]