21442982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 37825920

約数和(自身を除く): 16382938

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1193, 1634, 2386, 8987, 13123, 17974, 22667, 26246, 45334, 51299, 102598, 249337, 498674, 564289, 974681, 1128578, 1949362, 10721491, 21442982]

約数ペア:

[(1, 21442982), (2, 10721491), (11, 1949362), (19, 1128578), (22, 974681), (38, 564289), (43, 498674), (86, 249337), (209, 102598), (418, 51299), (473, 45334), (817, 26246), (946, 22667), (1193, 17974), (1634, 13123), (2386, 8987)]