21308207956

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 43836629760

約数和(自身を除く): 22528421804

約数列:

[1, 2, 4, 7, 14, 28, 101, 113, 131, 202, 226, 262, 404, 452, 509, 524, 707, 791, 917, 1018, 1414, 1582, 1834, 2036, 2828, 3164, 3563, 3668, 7126, 11413, 13231, 14252, 14803, 22826, 26462, 29606, 45652, 51409, 52924, 57517, 59212, 66679, 79891, 92617, 102818, 103621, 115034, 133358, 159782, 185234, 205636, 207242, 230068, 266716, 319564, 359863, 370468, 402619, 414484, 466753, 719726, 805238, 933506, 1439452, 1495103, 1610476, 1867012, 2990206, 5809217, 5980412, 6734579, 7534727, 10465721, 11618434, 13469158, 15069454, 20931442, 23236868, 26938316, 30138908, 40664519, 41862884, 47142053, 52743089, 81329038, 94284106, 105486178, 162658076, 188568212, 210972356, 761007427, 1522014854, 3044029708, 5327051989, 10654103978, 21308207956]

約数ペア:

[(1, 21308207956), (2, 10654103978), (4, 5327051989), (7, 3044029708), (14, 1522014854), (28, 761007427), (101, 210972356), (113, 188568212), (131, 162658076), (202, 105486178), (226, 94284106), (262, 81329038), (404, 52743089), (452, 47142053), (509, 41862884), (524, 40664519), (707, 30138908), (791, 26938316), (917, 23236868), (1018, 20931442), (1414, 15069454), (1582, 13469158), (1834, 11618434), (2036, 10465721), (2828, 7534727), (3164, 6734579), (3563, 5980412), (3668, 5809217), (7126, 2990206), (11413, 1867012), (13231, 1610476), (14252, 1495103), (14803, 1439452), (22826, 933506), (26462, 805238), (29606, 719726), (45652, 466753), (51409, 414484), (52924, 402619), (57517, 370468), (59212, 359863), (66679, 319564), (79891, 266716), (92617, 230068), (102818, 207242), (103621, 205636), (115034, 185234), (133358, 159782)]