21333056

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1566

約数の個数: 28

約数和(自身を含む): 42530268

約数和(自身を除く): 21197212

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1297, 2056, 2594, 4112, 5188, 8224, 10376, 16448, 20752, 41504, 83008, 333329, 666658, 1333316, 2666632, 5333264, 10666528, 21333056]

約数ペア:

[(1, 21333056), (2, 10666528), (4, 5333264), (8, 2666632), (16, 1333316), (32, 666658), (64, 333329), (257, 83008), (514, 41504), (1028, 20752), (1297, 16448), (2056, 10376), (2594, 8224), (4112, 5188)]