21078648

素因数分解:

$2^3\times 3^2\times {\mathrm{292759}}^1$

素因数の和:292771

約数の個数: 24

約数和(自身を含む): 57088200

約数和(自身を除く): 36009552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 292759, 585518, 878277, 1171036, 1756554, 2342072, 2634831, 3513108, 5269662, 7026216, 10539324, 21078648]

約数ペア:

[(1, 21078648), (2, 10539324), (3, 7026216), (4, 5269662), (6, 3513108), (8, 2634831), (9, 2342072), (12, 1756554), (18, 1171036), (24, 878277), (36, 585518), (72, 292759)]