22018017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 35660800

約数和(自身を除く): 13642783

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 397, 399, 417, 973, 1191, 2641, 2779, 2919, 7543, 7923, 8337, 18487, 22629, 52801, 55183, 55461, 158403, 165549, 386281, 1048477, 1158843, 3145431, 7339339, 22018017]

約数ペア:

[(1, 22018017), (3, 7339339), (7, 3145431), (19, 1158843), (21, 1048477), (57, 386281), (133, 165549), (139, 158403), (397, 55461), (399, 55183), (417, 52801), (973, 22629), (1191, 18487), (2641, 8337), (2779, 7923), (2919, 7543)]