21062938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5437}}^1$

素因数の和:5601

約数の個数: 16

約数和(自身を含む): 34259400

約数和(自身を除く): 13196462

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5437, 10874, 70681, 141362, 810113, 1620226, 10531469, 21062938]

約数ペア:

[(1, 21062938), (2, 10531469), (13, 1620226), (26, 810113), (149, 141362), (298, 70681), (1937, 10874), (3874, 5437)]