21130116910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1\times {\mathrm{2027}}^1$

素因数の和:3265

約数の個数: 64

約数和(自身を含む): 43846852608

約数和(自身を除く): 22716735698

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1087, 1370, 1918, 2027, 2174, 4054, 4795, 5435, 7609, 9590, 10135, 10870, 14189, 15218, 20270, 28378, 38045, 70945, 76090, 141890, 148919, 277699, 297838, 555398, 744595, 1042433, 1388495, 1489190, 1943893, 2084866, 2203349, 2776990, 3887786, 4406698, 5212165, 9719465, 10424330, 11016745, 15423443, 19438930, 22033490, 30846886, 77117215, 154234430, 301858813, 603717626, 1509294065, 2113011691, 3018588130, 4226023382, 10565058455, 21130116910]

約数ペア:

[(1, 21130116910), (2, 10565058455), (5, 4226023382), (7, 3018588130), (10, 2113011691), (14, 1509294065), (35, 603717626), (70, 301858813), (137, 154234430), (274, 77117215), (685, 30846886), (959, 22033490), (1087, 19438930), (1370, 15423443), (1918, 11016745), (2027, 10424330), (2174, 9719465), (4054, 5212165), (4795, 4406698), (5435, 3887786), (7609, 2776990), (9590, 2203349), (10135, 2084866), (10870, 1943893), (14189, 1489190), (15218, 1388495), (20270, 1042433), (28378, 744595), (38045, 555398), (70945, 297838), (76090, 277699), (141890, 148919)]