21048764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2089}}^1$

素因数の和:2333

約数の個数: 24

約数和(自身を含む): 40378800

約数和(自身を除く): 19330036

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2089, 2519, 4178, 5038, 8356, 10076, 22979, 45958, 91916, 478381, 956762, 1913524, 5262191, 10524382, 21048764]

約数ペア:

[(1, 21048764), (2, 10524382), (4, 5262191), (11, 1913524), (22, 956762), (44, 478381), (229, 91916), (458, 45958), (916, 22979), (2089, 10076), (2519, 8356), (4178, 5038)]