21227584

素因数分解:

$2^6\times 7^3\times {\mathrm{967}}^1$

素因数の和:1000

約数の個数: 56

約数和(自身を含む): 49174400

約数和(自身を除く): 27946816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 967, 1372, 1568, 1934, 2744, 3136, 3868, 5488, 6769, 7736, 10976, 13538, 15472, 21952, 27076, 30944, 47383, 54152, 61888, 94766, 108304, 189532, 216608, 331681, 379064, 433216, 663362, 758128, 1326724, 1516256, 2653448, 3032512, 5306896, 10613792, 21227584]

約数ペア:

[(1, 21227584), (2, 10613792), (4, 5306896), (7, 3032512), (8, 2653448), (14, 1516256), (16, 1326724), (28, 758128), (32, 663362), (49, 433216), (56, 379064), (64, 331681), (98, 216608), (112, 189532), (196, 108304), (224, 94766), (343, 61888), (392, 54152), (448, 47383), (686, 30944), (784, 27076), (967, 21952), (1372, 15472), (1568, 13538), (1934, 10976), (2744, 7736), (3136, 6769), (3868, 5488)]