21741814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{1559}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 34444800

約数和(自身を除く): 12702986

約数列:

[1, 2, 19, 38, 367, 734, 1559, 3118, 6973, 13946, 29621, 59242, 572153, 1144306, 10870907, 21741814]

約数ペア:

[(1, 21741814), (2, 10870907), (19, 1144306), (38, 572153), (367, 59242), (734, 29621), (1559, 13946), (3118, 6973)]