21002933

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 25214976

約数和(自身を除く): 4212043

約数列:

[1, 7, 23, 161, 191, 683, 1337, 4393, 4781, 15709, 30751, 109963, 130453, 913171, 3000419, 21002933]

約数ペア:

[(1, 21002933), (7, 3000419), (23, 913171), (161, 130453), (191, 109963), (683, 30751), (1337, 15709), (4393, 4781)]