21325458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 54927360

約数和(自身を除く): 33601902

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1489, 2046, 2387, 2978, 4467, 4774, 7161, 8934, 10423, 14322, 16379, 20846, 31269, 32758, 46159, 49137, 62538, 92318, 98274, 114653, 138477, 229306, 276954, 323113, 343959, 507749, 646226, 687918, 969339, 1015498, 1523247, 1938678, 3046494, 3554243, 7108486, 10662729, 21325458]

約数ペア:

[(1, 21325458), (2, 10662729), (3, 7108486), (6, 3554243), (7, 3046494), (11, 1938678), (14, 1523247), (21, 1015498), (22, 969339), (31, 687918), (33, 646226), (42, 507749), (62, 343959), (66, 323113), (77, 276954), (93, 229306), (154, 138477), (186, 114653), (217, 98274), (231, 92318), (341, 62538), (434, 49137), (462, 46159), (651, 32758), (682, 31269), (1023, 20846), (1302, 16379), (1489, 14322), (2046, 10423), (2387, 8934), (2978, 7161), (4467, 4774)]