21263796

素因数分解:

$2^2\times 3^4\times {\mathrm{65629}}^1$

素因数の和:65645

約数の個数: 30

約数和(自身を含む): 55588610

約数和(自身を除く): 34324814

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65629, 131258, 196887, 262516, 393774, 590661, 787548, 1181322, 1771983, 2362644, 3543966, 5315949, 7087932, 10631898, 21263796]

約数ペア:

[(1, 21263796), (2, 10631898), (3, 7087932), (4, 5315949), (6, 3543966), (9, 2362644), (12, 1771983), (18, 1181322), (27, 787548), (36, 590661), (54, 393774), (81, 262516), (108, 196887), (162, 131258), (324, 65629)]