21435904

素因数分解:

$2^9\times 7^1\times {\mathrm{5981}}^1$

素因数の和:6006

約数の個数: 40

約数和(自身を含む): 48956688

約数和(自身を除く): 27520784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5981, 11962, 23924, 41867, 47848, 83734, 95696, 167468, 191392, 334936, 382784, 669872, 765568, 1339744, 1531136, 2679488, 3062272, 5358976, 10717952, 21435904]

約数ペア:

[(1, 21435904), (2, 10717952), (4, 5358976), (7, 3062272), (8, 2679488), (14, 1531136), (16, 1339744), (28, 765568), (32, 669872), (56, 382784), (64, 334936), (112, 191392), (128, 167468), (224, 95696), (256, 83734), (448, 47848), (512, 41867), (896, 23924), (1792, 11962), (3584, 5981)]