21549584

素因数分解:

$2^4\times 7^1\times {\mathrm{192407}}^1$

素因数の和:192422

約数の個数: 20

約数和(自身を含む): 47717184

約数和(自身を除く): 26167600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192407, 384814, 769628, 1346849, 1539256, 2693698, 3078512, 5387396, 10774792, 21549584]

約数ペア:

[(1, 21549584), (2, 10774792), (4, 5387396), (7, 3078512), (8, 2693698), (14, 1539256), (16, 1346849), (28, 769628), (56, 384814), (112, 192407)]