21383854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 35349120

約数和(自身を除く): 13965266

約数列:

[1, 2, 19, 37, 38, 67, 74, 134, 227, 454, 703, 1273, 1406, 2479, 2546, 4313, 4958, 8399, 8626, 15209, 16798, 30418, 47101, 94202, 159581, 288971, 319162, 562733, 577942, 1125466, 10691927, 21383854]

約数ペア:

[(1, 21383854), (2, 10691927), (19, 1125466), (37, 577942), (38, 562733), (67, 319162), (74, 288971), (134, 159581), (227, 94202), (454, 47101), (703, 30418), (1273, 16798), (1406, 15209), (2479, 8626), (2546, 8399), (4313, 4958)]