21541291352

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8945719}}^1$

素因数の和:8945775

約数の個数: 32

約数和(自身を含む): 47233401600

約数和(自身を除く): 25692110248

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8945719, 17891438, 35782876, 62620033, 71565752, 125240066, 250480132, 384665917, 500960264, 769331834, 1538663668, 2692661419, 3077327336, 5385322838, 10770645676, 21541291352]

約数ペア:

[(1, 21541291352), (2, 10770645676), (4, 5385322838), (7, 3077327336), (8, 2692661419), (14, 1538663668), (28, 769331834), (43, 500960264), (56, 384665917), (86, 250480132), (172, 125240066), (301, 71565752), (344, 62620033), (602, 35782876), (1204, 17891438), (2408, 8945719)]