21903934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1361}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 35466480

約数和(自身を除く): 13562546

約数列:

[1, 2, 13, 26, 619, 1238, 1361, 2722, 8047, 16094, 17693, 35386, 842459, 1684918, 10951967, 21903934]

約数ペア:

[(1, 21903934), (2, 10951967), (13, 1684918), (26, 842459), (619, 35386), (1238, 17693), (1361, 16094), (2722, 8047)]