21701477875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{8573}}^1$

素因数の和:8869

約数の個数: 64

約数和(自身を含む): 33898715136

約数和(自身を除く): 12197237261

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 263, 275, 385, 875, 1315, 1375, 1841, 1925, 2893, 6575, 8573, 9205, 9625, 14465, 20251, 32875, 42865, 46025, 60011, 72325, 94303, 101255, 214325, 230125, 300055, 361625, 471515, 506275, 660121, 1071625, 1500275, 2254699, 2357575, 2531375, 3300605, 7501375, 11273495, 11787875, 15782893, 16503025, 24801689, 56367475, 78914465, 82515125, 124008445, 173611823, 281837375, 394572325, 620042225, 868059115, 1972861625, 3100211125, 4340295575, 21701477875]

約数ペア:

[(1, 21701477875), (5, 4340295575), (7, 3100211125), (11, 1972861625), (25, 868059115), (35, 620042225), (55, 394572325), (77, 281837375), (125, 173611823), (175, 124008445), (263, 82515125), (275, 78914465), (385, 56367475), (875, 24801689), (1315, 16503025), (1375, 15782893), (1841, 11787875), (1925, 11273495), (2893, 7501375), (6575, 3300605), (8573, 2531375), (9205, 2357575), (9625, 2254699), (14465, 1500275), (20251, 1071625), (32875, 660121), (42865, 506275), (46025, 471515), (60011, 361625), (72325, 300055), (94303, 230125), (101255, 214325)]