21142464

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15731}}^1$

素因数の和:15753

約数の個数: 56

約数和(自身を含む): 63934848

約数和(自身を除く): 42792384

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, 15731, 31462, 47193, 62924, 94386, 110117, 125848, 188772, 220234, 251696, 330351, 377544, 440468, 503392, 660702, 755088, 880936, 1006784, 1321404, 1510176, 1761872, 2642808, 3020352, 3523744, 5285616, 7047488, 10571232, 21142464]

約数ペア:

[(1, 21142464), (2, 10571232), (3, 7047488), (4, 5285616), (6, 3523744), (7, 3020352), (8, 2642808), (12, 1761872), (14, 1510176), (16, 1321404), (21, 1006784), (24, 880936), (28, 755088), (32, 660702), (42, 503392), (48, 440468), (56, 377544), (64, 330351), (84, 251696), (96, 220234), (112, 188772), (168, 125848), (192, 110117), (224, 94386), (336, 62924), (448, 47193), (672, 31462), (1344, 15731)]