21000746712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{65257}}^1$

素因数の和:65353

約数の個数: 128

約数和(自身を含む): 60893544960

約数和(自身を除く): 39892798248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 44, 46, 53, 66, 69, 88, 92, 106, 132, 138, 159, 184, 212, 253, 264, 276, 318, 424, 506, 552, 583, 636, 759, 1012, 1166, 1219, 1272, 1518, 1749, 2024, 2332, 2438, 3036, 3498, 3657, 4664, 4876, 6072, 6996, 7314, 9752, 13409, 13992, 14628, 26818, 29256, 40227, 53636, 65257, 80454, 107272, 130514, 160908, 195771, 261028, 321816, 391542, 522056, 717827, 783084, 1435654, 1500911, 1566168, 2153481, 2871308, 3001822, 3458621, 4306962, 4502733, 5742616, 6003644, 6917242, 8613924, 9005466, 10375863, 12007288, 13834484, 16510021, 17227848, 18010932, 20751726, 27668968, 33020042, 36021864, 38044831, 41503452, 49530063, 66040084, 76089662, 79548283, 83006904, 99060126, 114134493, 132080168, 152179324, 159096566, 198120252, 228268986, 238644849, 304358648, 318193132, 396240504, 456537972, 477289698, 636386264, 875031113, 913075944, 954579396, 1750062226, 1909158792, 2625093339, 3500124452, 5250186678, 7000248904, 10500373356, 21000746712]

約数ペア:

[(1, 21000746712), (2, 10500373356), (3, 7000248904), (4, 5250186678), (6, 3500124452), (8, 2625093339), (11, 1909158792), (12, 1750062226), (22, 954579396), (23, 913075944), (24, 875031113), (33, 636386264), (44, 477289698), (46, 456537972), (53, 396240504), (66, 318193132), (69, 304358648), (88, 238644849), (92, 228268986), (106, 198120252), (132, 159096566), (138, 152179324), (159, 132080168), (184, 114134493), (212, 99060126), (253, 83006904), (264, 79548283), (276, 76089662), (318, 66040084), (424, 49530063), (506, 41503452), (552, 38044831), (583, 36021864), (636, 33020042), (759, 27668968), (1012, 20751726), (1166, 18010932), (1219, 17227848), (1272, 16510021), (1518, 13834484), (1749, 12007288), (2024, 10375863), (2332, 9005466), (2438, 8613924), (3036, 6917242), (3498, 6003644), (3657, 5742616), (4664, 4502733), (4876, 4306962), (6072, 3458621), (6996, 3001822), (7314, 2871308), (9752, 2153481), (13409, 1566168), (13992, 1500911), (14628, 1435654), (26818, 783084), (29256, 717827), (40227, 522056), (53636, 391542), (65257, 321816), (80454, 261028), (107272, 195771), (130514, 160908)]