21193890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706463}}^1$

素因数の和:706473

約数の個数: 16

約数和(自身を含む): 50865408

約数和(自身を除く): 29671518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706463, 1412926, 2119389, 3532315, 4238778, 7064630, 10596945, 21193890]

約数ペア:

[(1, 21193890), (2, 10596945), (3, 7064630), (5, 4238778), (6, 3532315), (10, 2119389), (15, 1412926), (30, 706463)]