21936364

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1433}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 39750480

約数和(自身を除く): 17814116

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1433, 2866, 3827, 5732, 7654, 15308, 61619, 123238, 127537, 246476, 255074, 510148, 5484091, 10968182, 21936364]

約数ペア:

[(1, 21936364), (2, 10968182), (4, 5484091), (43, 510148), (86, 255074), (89, 246476), (172, 127537), (178, 123238), (356, 61619), (1433, 15308), (2866, 7654), (3827, 5732)]