21225134

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2112

約数の個数: 24

約数和(自身を含む): 37394280

約数和(自身を除く): 16169146

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 1987, 3974, 5341, 10682, 13909, 27818, 97363, 194726, 216583, 433166, 1516081, 3032162, 10612567, 21225134]

約数ペア:

[(1, 21225134), (2, 10612567), (7, 3032162), (14, 1516081), (49, 433166), (98, 216583), (109, 194726), (218, 97363), (763, 27818), (1526, 13909), (1987, 10682), (3974, 5341)]