21318918

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 46116864

約数和(自身を除く): 24797946

約数列:

[1, 2, 3, 6, 17, 34, 47, 51, 94, 102, 141, 282, 799, 1598, 2397, 4447, 4794, 8894, 13341, 26682, 75599, 151198, 209009, 226797, 418018, 453594, 627027, 1254054, 3553153, 7106306, 10659459, 21318918]

約数ペア:

[(1, 21318918), (2, 10659459), (3, 7106306), (6, 3553153), (17, 1254054), (34, 627027), (47, 453594), (51, 418018), (94, 226797), (102, 209009), (141, 151198), (282, 75599), (799, 26682), (1598, 13341), (2397, 8894), (4447, 4794)]