21542260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46831}}^1$

素因数の和:46863

約数の個数: 24

約数和(自身を含む): 47206656

約数和(自身を除く): 25664396

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46831, 93662, 187324, 234155, 468310, 936620, 1077113, 2154226, 4308452, 5385565, 10771130, 21542260]

約数ペア:

[(1, 21542260), (2, 10771130), (4, 5385565), (5, 4308452), (10, 2154226), (20, 1077113), (23, 936620), (46, 468310), (92, 234155), (115, 187324), (230, 93662), (460, 46831)]