21648470

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6203}}^1$

素因数の和:6559

約数の個数: 16

約数和(自身を含む): 39085200

約数和(自身を除く): 17436730

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 6203, 12406, 31015, 62030, 2164847, 4329694, 10824235, 21648470]

約数ペア:

[(1, 21648470), (2, 10824235), (5, 4329694), (10, 2164847), (349, 62030), (698, 31015), (1745, 12406), (3490, 6203)]