21593044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 45319680

約数和(自身を除く): 23726636

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 1012, 1123, 1748, 2246, 4492, 4807, 9614, 12353, 19228, 21337, 24706, 25829, 42674, 49412, 51658, 85348, 103316, 234707, 284119, 469414, 490751, 568238, 938828, 981502, 1136476, 1963004, 5398261, 10796522, 21593044]

約数ペア:

[(1, 21593044), (2, 10796522), (4, 5398261), (11, 1963004), (19, 1136476), (22, 981502), (23, 938828), (38, 568238), (44, 490751), (46, 469414), (76, 284119), (92, 234707), (209, 103316), (253, 85348), (418, 51658), (437, 49412), (506, 42674), (836, 25829), (874, 24706), (1012, 21337), (1123, 19228), (1748, 12353), (2246, 9614), (4492, 4807)]