21274122236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3834557}}^1$

素因数の和:3834653

約数の個数: 24

約数和(自身を含む): 39726020880

約数和(自身を除く): 18451898644

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 5548, 3834557, 7669114, 15338228, 72856583, 145713166, 279922661, 291426332, 559845322, 1119690644, 5318530559, 10637061118, 21274122236]

約数ペア:

[(1, 21274122236), (2, 10637061118), (4, 5318530559), (19, 1119690644), (38, 559845322), (73, 291426332), (76, 279922661), (146, 145713166), (292, 72856583), (1387, 15338228), (2774, 7669114), (5548, 3834557)]