21778548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 57111264

約数和(自身を除く): 35332716

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 283, 318, 363, 484, 566, 583, 636, 726, 849, 1132, 1166, 1452, 1698, 1749, 2332, 3113, 3396, 3498, 6226, 6413, 6996, 9339, 12452, 12826, 14999, 18678, 19239, 25652, 29998, 34243, 37356, 38478, 44997, 59996, 68486, 76956, 89994, 102729, 136972, 164989, 179988, 205458, 329978, 410916, 494967, 659956, 989934, 1814879, 1979868, 3629758, 5444637, 7259516, 10889274, 21778548]

約数ペア:

[(1, 21778548), (2, 10889274), (3, 7259516), (4, 5444637), (6, 3629758), (11, 1979868), (12, 1814879), (22, 989934), (33, 659956), (44, 494967), (53, 410916), (66, 329978), (106, 205458), (121, 179988), (132, 164989), (159, 136972), (212, 102729), (242, 89994), (283, 76956), (318, 68486), (363, 59996), (484, 44997), (566, 38478), (583, 37356), (636, 34243), (726, 29998), (849, 25652), (1132, 19239), (1166, 18678), (1452, 14999), (1698, 12826), (1749, 12452), (2332, 9339), (3113, 6996), (3396, 6413), (3498, 6226)]