21370756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13127}}^1$

素因数の和:13179

約数の個数: 24

約数和(自身を含む): 41904576

約数和(自身を除く): 20533820

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13127, 26254, 52508, 144397, 288794, 485699, 577588, 971398, 1942796, 5342689, 10685378, 21370756]

約数ペア:

[(1, 21370756), (2, 10685378), (4, 5342689), (11, 1942796), (22, 971398), (37, 577588), (44, 485699), (74, 288794), (148, 144397), (407, 52508), (814, 26254), (1628, 13127)]