21417039

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5573}}^1$

素因数の和:5647

約数の個数: 24

約数和(自身を含む): 35941152

約数和(自身を除く): 14524113

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5573, 16719, 39011, 50157, 117033, 339953, 351099, 1019859, 2379671, 3059577, 7139013, 21417039]

約数ペア:

[(1, 21417039), (3, 7139013), (7, 3059577), (9, 2379671), (21, 1019859), (61, 351099), (63, 339953), (183, 117033), (427, 50157), (549, 39011), (1281, 16719), (3843, 5573)]