21239596

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44621}}^1$

素因数の和:44649

約数の個数: 24

約数和(自身を含む): 44978976

約数和(自身を除く): 23739380

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44621, 89242, 178484, 312347, 624694, 758557, 1249388, 1517114, 3034228, 5309899, 10619798, 21239596]

約数ペア:

[(1, 21239596), (2, 10619798), (4, 5309899), (7, 3034228), (14, 1517114), (17, 1249388), (28, 758557), (34, 624694), (68, 312347), (119, 178484), (238, 89242), (476, 44621)]