21677656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1$

素因数の和:2744

約数の個数: 64

約数和(自身を含む): 54593280

約数和(自身を除く): 32915624

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2707, 4004, 5414, 8008, 10828, 18949, 21656, 29777, 35191, 37898, 59554, 70382, 75796, 119108, 140764, 151592, 208439, 238216, 246337, 281528, 387101, 416878, 492674, 774202, 833756, 985348, 1548404, 1667512, 1970696, 2709707, 3096808, 5419414, 10838828, 21677656]

約数ペア:

[(1, 21677656), (2, 10838828), (4, 5419414), (7, 3096808), (8, 2709707), (11, 1970696), (13, 1667512), (14, 1548404), (22, 985348), (26, 833756), (28, 774202), (44, 492674), (52, 416878), (56, 387101), (77, 281528), (88, 246337), (91, 238216), (104, 208439), (143, 151592), (154, 140764), (182, 119108), (286, 75796), (308, 70382), (364, 59554), (572, 37898), (616, 35191), (728, 29777), (1001, 21656), (1144, 18949), (2002, 10828), (2707, 8008), (4004, 5414)]