21258648

素因数分解:

$2^3\times 3^2\times {\mathrm{295259}}^1$

素因数の和:295271

約数の個数: 24

約数和(自身を含む): 57575700

約数和(自身を除く): 36317052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295259, 590518, 885777, 1181036, 1771554, 2362072, 2657331, 3543108, 5314662, 7086216, 10629324, 21258648]

約数ペア:

[(1, 21258648), (2, 10629324), (3, 7086216), (4, 5314662), (6, 3543108), (8, 2657331), (9, 2362072), (12, 1771554), (18, 1181036), (24, 885777), (36, 590518), (72, 295259)]