21457968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63863}}^1$

素因数の和:63881

約数の個数: 40

約数和(自身を含む): 63353088

約数和(自身を除く): 41895120

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63863, 127726, 191589, 255452, 383178, 447041, 510904, 766356, 894082, 1021808, 1341123, 1532712, 1788164, 2682246, 3065424, 3576328, 5364492, 7152656, 10728984, 21457968]

約数ペア:

[(1, 21457968), (2, 10728984), (3, 7152656), (4, 5364492), (6, 3576328), (7, 3065424), (8, 2682246), (12, 1788164), (14, 1532712), (16, 1341123), (21, 1021808), (24, 894082), (28, 766356), (42, 510904), (48, 447041), (56, 383178), (84, 255452), (112, 191589), (168, 127726), (336, 63863)]