21554648

素因数分解:

$2^3\times {\mathrm{1381}}^1\times {\mathrm{1951}}^1$

素因数の和:3338

約数の個数: 16

約数和(自身を含む): 40464960

約数和(自身を除く): 18910312

約数列:

[1, 2, 4, 8, 1381, 1951, 2762, 3902, 5524, 7804, 11048, 15608, 2694331, 5388662, 10777324, 21554648]

約数ペア:

[(1, 21554648), (2, 10777324), (4, 5388662), (8, 2694331), (1381, 15608), (1951, 11048), (2762, 7804), (3902, 5524)]