21721794

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 23517246

約数列:

[1, 2, 3, 6, 43, 59, 86, 118, 129, 177, 258, 354, 1427, 2537, 2854, 4281, 5074, 7611, 8562, 15222, 61361, 84193, 122722, 168386, 184083, 252579, 368166, 505158, 3620299, 7240598, 10860897, 21721794]

約数ペア:

[(1, 21721794), (2, 10860897), (3, 7240598), (6, 3620299), (43, 505158), (59, 368166), (86, 252579), (118, 184083), (129, 168386), (177, 122722), (258, 84193), (354, 61361), (1427, 15222), (2537, 8562), (2854, 7611), (4281, 5074)]