21148772

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 38471160

約数和(自身を除く): 17322388

約数列:

[1, 2, 4, 29, 58, 116, 337, 541, 674, 1082, 1348, 2164, 9773, 15689, 19546, 31378, 39092, 62756, 182317, 364634, 729268, 5287193, 10574386, 21148772]

約数ペア:

[(1, 21148772), (2, 10574386), (4, 5287193), (29, 729268), (58, 364634), (116, 182317), (337, 62756), (541, 39092), (674, 31378), (1082, 19546), (1348, 15689), (2164, 9773)]