21902013910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{16619}}^1$

素因数の和:16981

約数の個数: 64

約数和(自身を含む): 45893537280

約数和(自身を除く): 23991523370

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 281, 335, 469, 562, 670, 938, 1405, 1967, 2345, 2810, 3934, 4690, 9835, 16619, 18827, 19670, 33238, 37654, 83095, 94135, 116333, 131789, 166190, 188270, 232666, 263578, 581665, 658945, 1113473, 1163330, 1317890, 2226946, 4669939, 5567365, 7794311, 9339878, 11134730, 15588622, 23349695, 32689573, 38971555, 46699390, 65379146, 77943110, 163447865, 312885913, 326895730, 625771826, 1564429565, 2190201391, 3128859130, 4380402782, 10951006955, 21902013910]

約数ペア:

[(1, 21902013910), (2, 10951006955), (5, 4380402782), (7, 3128859130), (10, 2190201391), (14, 1564429565), (35, 625771826), (67, 326895730), (70, 312885913), (134, 163447865), (281, 77943110), (335, 65379146), (469, 46699390), (562, 38971555), (670, 32689573), (938, 23349695), (1405, 15588622), (1967, 11134730), (2345, 9339878), (2810, 7794311), (3934, 5567365), (4690, 4669939), (9835, 2226946), (16619, 1317890), (18827, 1163330), (19670, 1113473), (33238, 658945), (37654, 581665), (83095, 263578), (94135, 232666), (116333, 188270), (131789, 166190)]