21401286

素因数分解:

$2^1\times 3^1\times {\mathrm{809}}^1\times {\mathrm{4409}}^1$

素因数の和:5223

約数の個数: 16

約数和(自身を含む): 42865200

約数和(自身を除く): 21463914

約数列:

[1, 2, 3, 6, 809, 1618, 2427, 4409, 4854, 8818, 13227, 26454, 3566881, 7133762, 10700643, 21401286]

約数ペア:

[(1, 21401286), (2, 10700643), (3, 7133762), (6, 3566881), (809, 26454), (1618, 13227), (2427, 8818), (4409, 4854)]