21000815446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{800519}}^1$

素因数の和:801543

約数の個数: 16

約数和(自身を含む): 33958058400

約数和(自身を除く): 12957242954

約数列:

[1, 2, 13, 26, 1009, 2018, 13117, 26234, 800519, 1601038, 10406747, 20813494, 807723671, 1615447342, 10500407723, 21000815446]

約数ペア:

[(1, 21000815446), (2, 10500407723), (13, 1615447342), (26, 807723671), (1009, 20813494), (2018, 10406747), (13117, 1601038), (26234, 800519)]