21087332

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5749}}^1$

素因数の和:5891

約数の個数: 24

約数和(自身を含む): 42504000

約数和(自身を除く): 21416668

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5749, 11498, 22996, 40243, 80486, 160972, 753119, 1506238, 3012476, 5271833, 10543666, 21087332]

約数ペア:

[(1, 21087332), (2, 10543666), (4, 5271833), (7, 3012476), (14, 1506238), (28, 753119), (131, 160972), (262, 80486), (524, 40243), (917, 22996), (1834, 11498), (3668, 5749)]