21593470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52667}}^1$

素因数の和:52715

約数の個数: 16

約数和(自身を含む): 39817008

約数和(自身を除く): 18223538

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 52667, 105334, 263335, 526670, 2159347, 4318694, 10796735, 21593470]

約数ペア:

[(1, 21593470), (2, 10796735), (5, 4318694), (10, 2159347), (41, 526670), (82, 263335), (205, 105334), (410, 52667)]