21761103

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 36198400

約数和(自身を除く): 14437297

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1009, 1027, 1659, 3027, 3081, 7063, 7189, 13117, 21189, 21567, 39351, 79711, 91819, 239133, 275457, 557977, 1036243, 1673931, 3108729, 7253701, 21761103]

約数ペア:

[(1, 21761103), (3, 7253701), (7, 3108729), (13, 1673931), (21, 1036243), (39, 557977), (79, 275457), (91, 239133), (237, 91819), (273, 79711), (553, 39351), (1009, 21567), (1027, 21189), (1659, 13117), (3027, 7189), (3081, 7063)]