21955010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28513}}^1$

素因数の和:28538

約数の個数: 32

約数和(自身を含む): 49272192

約数和(自身を除く): 27317182

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28513, 57026, 142565, 199591, 285130, 313643, 399182, 627286, 997955, 1568215, 1995910, 2195501, 3136430, 4391002, 10977505, 21955010]

約数ペア:

[(1, 21955010), (2, 10977505), (5, 4391002), (7, 3136430), (10, 2195501), (11, 1995910), (14, 1568215), (22, 997955), (35, 627286), (55, 399182), (70, 313643), (77, 285130), (110, 199591), (154, 142565), (385, 57026), (770, 28513)]