21229346

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1327}}^1$

素因数の和:1769

約数の個数: 16

約数和(自身を含む): 33624960

約数和(自身を除く): 12395614

約数列:

[1, 2, 19, 38, 421, 842, 1327, 2654, 7999, 15998, 25213, 50426, 558667, 1117334, 10614673, 21229346]

約数ペア:

[(1, 21229346), (2, 10614673), (19, 1117334), (38, 558667), (421, 50426), (842, 25213), (1327, 15998), (2654, 7999)]