20210926

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 24

約数和(自身を含む): 32713920

約数和(自身を除く): 12502994

約数列:

[1, 2, 17, 34, 73, 146, 289, 479, 578, 958, 1241, 2482, 8143, 16286, 21097, 34967, 42194, 69934, 138431, 276862, 594439, 1188878, 10105463, 20210926]

約数ペア:

[(1, 20210926), (2, 10105463), (17, 1188878), (34, 594439), (73, 276862), (146, 138431), (289, 69934), (479, 42194), (578, 34967), (958, 21097), (1241, 16286), (2482, 8143)]