21514750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 19762850

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2099, 4198, 5125, 10250, 10495, 20990, 52475, 86059, 104950, 172118, 262375, 430295, 524750, 860590, 2151475, 4302950, 10757375, 21514750]

約数ペア:

[(1, 21514750), (2, 10757375), (5, 4302950), (10, 2151475), (25, 860590), (41, 524750), (50, 430295), (82, 262375), (125, 172118), (205, 104950), (250, 86059), (410, 52475), (1025, 20990), (2050, 10495), (2099, 10250), (4198, 5125)]