2021152105

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1\times {\mathrm{2027}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 2865807360

約数和(自身を除く): 844655255

約数列:

[1, 5, 7, 31, 35, 155, 217, 919, 1085, 2027, 4595, 6433, 10135, 14189, 28489, 32165, 62837, 70945, 142445, 199423, 314185, 439859, 997115, 1862813, 2199295, 9314065, 13039691, 57747203, 65198455, 288736015, 404230421, 2021152105]

約数ペア:

[(1, 2021152105), (5, 404230421), (7, 288736015), (31, 65198455), (35, 57747203), (155, 13039691), (217, 9314065), (919, 2199295), (1085, 1862813), (2027, 997115), (4595, 439859), (6433, 314185), (10135, 199423), (14189, 142445), (28489, 70945), (32165, 62837)]