21212415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22447}}^1$

素因数の和:22468

約数の個数: 32

約数和(自身を含む): 43100160

約数和(自身を除く): 21887745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22447, 67341, 112235, 157129, 202023, 336705, 471387, 606069, 785645, 1010115, 1414161, 2356935, 3030345, 4242483, 7070805, 21212415]

約数ペア:

[(1, 21212415), (3, 7070805), (5, 4242483), (7, 3030345), (9, 2356935), (15, 1414161), (21, 1010115), (27, 785645), (35, 606069), (45, 471387), (63, 336705), (105, 202023), (135, 157129), (189, 112235), (315, 67341), (945, 22447)]