21214208

素因数分解:

$2^{10}\times {\mathrm{20717}}^1$

素因数の和:20737

約数の個数: 22

約数和(自身を含む): 42409746

約数和(自身を除く): 21195538

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20717, 41434, 82868, 165736, 331472, 662944, 1325888, 2651776, 5303552, 10607104, 21214208]

約数ペア:

[(1, 21214208), (2, 10607104), (4, 5303552), (8, 2651776), (16, 1325888), (32, 662944), (64, 331472), (128, 165736), (256, 82868), (512, 41434), (1024, 20717)]