21711417

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1187}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 14479815

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1187, 1407, 2613, 3561, 6097, 8309, 15431, 18291, 24927, 46293, 79529, 108017, 238587, 324051, 556703, 1033877, 1670109, 3101631, 7237139, 21711417]

約数ペア:

[(1, 21711417), (3, 7237139), (7, 3101631), (13, 1670109), (21, 1033877), (39, 556703), (67, 324051), (91, 238587), (201, 108017), (273, 79529), (469, 46293), (871, 24927), (1187, 18291), (1407, 15431), (2613, 8309), (3561, 6097)]