21064995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22291}}^1$

素因数の和:22312

約数の個数: 32

約数和(自身を含む): 42800640

約数和(自身を除く): 21735645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22291, 66873, 111455, 156037, 200619, 334365, 468111, 601857, 780185, 1003095, 1404333, 2340555, 3009285, 4212999, 7021665, 21064995]

約数ペア:

[(1, 21064995), (3, 7021665), (5, 4212999), (7, 3009285), (9, 2340555), (15, 1404333), (21, 1003095), (27, 780185), (35, 601857), (45, 468111), (63, 334365), (105, 200619), (135, 156037), (189, 111455), (315, 66873), (945, 22291)]