21653595

素因数分解:

$3^3\times 5^1\times {\mathrm{160397}}^1$

素因数の和:160411

約数の個数: 16

約数和(自身を含む): 38495520

約数和(自身を除く): 16841925

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 160397, 481191, 801985, 1443573, 2405955, 4330719, 7217865, 21653595]

約数ペア:

[(1, 21653595), (3, 7217865), (5, 4330719), (9, 2405955), (15, 1443573), (27, 801985), (45, 481191), (135, 160397)]