21995617556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{24247}}^1$

素因数の和:24704

約数の個数: 48

約数和(自身を含む): 42895681920

約数和(自身を除く): 20900064364

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 389, 583, 778, 1166, 1556, 2332, 4279, 8558, 17116, 20617, 24247, 41234, 48494, 82468, 96988, 226787, 266717, 453574, 533434, 907148, 1066868, 1285091, 2570182, 5140364, 9432083, 14136001, 18864166, 28272002, 37728332, 56544004, 103752913, 207505826, 415011652, 499900399, 999800798, 1999601596, 5498904389, 10997808778, 21995617556]

約数ペア:

[(1, 21995617556), (2, 10997808778), (4, 5498904389), (11, 1999601596), (22, 999800798), (44, 499900399), (53, 415011652), (106, 207505826), (212, 103752913), (389, 56544004), (583, 37728332), (778, 28272002), (1166, 18864166), (1556, 14136001), (2332, 9432083), (4279, 5140364), (8558, 2570182), (17116, 1285091), (20617, 1066868), (24247, 907148), (41234, 533434), (48494, 453574), (82468, 266717), (96988, 226787)]