21782894

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 17532562

約数列:

[1, 2, 7, 14, 31, 53, 62, 106, 217, 371, 434, 742, 947, 1643, 1894, 3286, 6629, 11501, 13258, 23002, 29357, 50191, 58714, 100382, 205499, 351337, 410998, 702674, 1555921, 3111842, 10891447, 21782894]

約数ペア:

[(1, 21782894), (2, 10891447), (7, 3111842), (14, 1555921), (31, 702674), (53, 410998), (62, 351337), (106, 205499), (217, 100382), (371, 58714), (434, 50191), (742, 29357), (947, 23002), (1643, 13258), (1894, 11501), (3286, 6629)]