21146560

素因数分解:

$2^6\times 5^1\times {\mathrm{66083}}^1$

素因数の和:66100

約数の個数: 28

約数和(自身を含む): 50356008

約数和(自身を除く): 29209448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66083, 132166, 264332, 330415, 528664, 660830, 1057328, 1321660, 2114656, 2643320, 4229312, 5286640, 10573280, 21146560]

約数ペア:

[(1, 21146560), (2, 10573280), (4, 5286640), (5, 4229312), (8, 2643320), (10, 2114656), (16, 1321660), (20, 1057328), (32, 660830), (40, 528664), (64, 330415), (80, 264332), (160, 132166), (320, 66083)]