21903667

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 2227853

約数列:

[1, 17, 37, 97, 359, 629, 1649, 3589, 6103, 13283, 34823, 61013, 225811, 591991, 1288451, 21903667]

約数ペア:

[(1, 21903667), (17, 1288451), (37, 591991), (97, 225811), (359, 61013), (629, 34823), (1649, 13283), (3589, 6103)]