21395136

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15919}}^1$

素因数の和:15941

約数の個数: 56

約数和(自身を含む): 64698880

約数和(自身を除く): 43303744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15919, 31838, 47757, 63676, 95514, 111433, 127352, 191028, 222866, 254704, 334299, 382056, 445732, 509408, 668598, 764112, 891464, 1018816, 1337196, 1528224, 1782928, 2674392, 3056448, 3565856, 5348784, 7131712, 10697568, 21395136]

約数ペア:

[(1, 21395136), (2, 10697568), (3, 7131712), (4, 5348784), (6, 3565856), (7, 3056448), (8, 2674392), (12, 1782928), (14, 1528224), (16, 1337196), (21, 1018816), (24, 891464), (28, 764112), (32, 668598), (42, 509408), (48, 445732), (56, 382056), (64, 334299), (84, 254704), (96, 222866), (112, 191028), (168, 127352), (192, 111433), (224, 95514), (336, 63676), (448, 47757), (672, 31838), (1344, 15919)]