21400442

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 39239424

約数和(自身を除く): 17838982

約数列:

[1, 2, 7, 14, 23, 41, 46, 82, 161, 287, 322, 574, 943, 1621, 1886, 3242, 6601, 11347, 13202, 22694, 37283, 66461, 74566, 132922, 260981, 465227, 521962, 930454, 1528603, 3057206, 10700221, 21400442]

約数ペア:

[(1, 21400442), (2, 10700221), (7, 3057206), (14, 1528603), (23, 930454), (41, 521962), (46, 465227), (82, 260981), (161, 132922), (287, 74566), (322, 66461), (574, 37283), (943, 22694), (1621, 13202), (1886, 11347), (3242, 6601)]