21544941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 11632659

約数列:

[1, 3, 11, 29, 33, 47, 87, 141, 319, 479, 517, 957, 1363, 1437, 1551, 4089, 5269, 13891, 14993, 15807, 22513, 41673, 44979, 67539, 152801, 247643, 458403, 652877, 742929, 1958631, 7181647, 21544941]

約数ペア:

[(1, 21544941), (3, 7181647), (11, 1958631), (29, 742929), (33, 652877), (47, 458403), (87, 247643), (141, 152801), (319, 67539), (479, 44979), (517, 41673), (957, 22513), (1363, 15807), (1437, 14993), (1551, 13891), (4089, 5269)]