21524480

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1051}}^1$

素因数の和:1080

約数の個数: 52

約数和(自身を含む): 51701592

約数和(自身を除く): 30177112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1051, 1280, 2048, 2102, 2560, 4096, 4204, 5120, 5255, 8408, 10240, 10510, 16816, 20480, 21020, 33632, 42040, 67264, 84080, 134528, 168160, 269056, 336320, 538112, 672640, 1076224, 1345280, 2152448, 2690560, 4304896, 5381120, 10762240, 21524480]

約数ペア:

[(1, 21524480), (2, 10762240), (4, 5381120), (5, 4304896), (8, 2690560), (10, 2152448), (16, 1345280), (20, 1076224), (32, 672640), (40, 538112), (64, 336320), (80, 269056), (128, 168160), (160, 134528), (256, 84080), (320, 67264), (512, 42040), (640, 33632), (1024, 21020), (1051, 20480), (1280, 16816), (2048, 10510), (2102, 10240), (2560, 8408), (4096, 5255), (4204, 5120)]