2021052803

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67129}}^1$

素因数の和:67187

約数の個数: 32

約数和(自身を含む): 2784015360

約数和(自身を除く): 762962557

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 30107, 67129, 469903, 738419, 1141193, 1543967, 5168933, 7988351, 10807769, 12553123, 16983637, 26247439, 87871861, 118885459, 183732073, 288721829, 2021052803]

約数ペア:

[(1, 2021052803), (7, 288721829), (11, 183732073), (17, 118885459), (23, 87871861), (77, 26247439), (119, 16983637), (161, 12553123), (187, 10807769), (253, 7988351), (391, 5168933), (1309, 1543967), (1771, 1141193), (2737, 738419), (4301, 469903), (30107, 67129)]