21856638

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 22898562

約数列:

[1, 2, 3, 6, 73, 139, 146, 219, 278, 359, 417, 438, 718, 834, 1077, 2154, 10147, 20294, 26207, 30441, 49901, 52414, 60882, 78621, 99802, 149703, 157242, 299406, 3642773, 7285546, 10928319, 21856638]

約数ペア:

[(1, 21856638), (2, 10928319), (3, 7285546), (6, 3642773), (73, 299406), (139, 157242), (146, 149703), (219, 99802), (278, 78621), (359, 60882), (417, 52414), (438, 49901), (718, 30441), (834, 26207), (1077, 20294), (2154, 10147)]