21412540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46549}}^1$

素因数の和:46581

約数の個数: 24

約数和(自身を含む): 46922400

約数和(自身を除く): 25509860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46549, 93098, 186196, 232745, 465490, 930980, 1070627, 2141254, 4282508, 5353135, 10706270, 21412540]

約数ペア:

[(1, 21412540), (2, 10706270), (4, 5353135), (5, 4282508), (10, 2141254), (20, 1070627), (23, 930980), (46, 465490), (92, 232745), (115, 186196), (230, 93098), (460, 46549)]