21037295097

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{19013}}^1$

素因数の和:19239

約数の個数: 72

約数和(自身を含む): 38266739784

約数和(自身を除く): 17229444687

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 193, 273, 441, 579, 637, 819, 1351, 1737, 1911, 2509, 4053, 5733, 7527, 9457, 12159, 17563, 19013, 22581, 28371, 52689, 57039, 85113, 122941, 133091, 158067, 171117, 247169, 368823, 399273, 741507, 931637, 1106469, 1197819, 1730183, 2224521, 2794911, 3669509, 5190549, 8384733, 11008527, 12111281, 15571647, 25686563, 33025581, 36333843, 47703617, 77059689, 109001529, 143110851, 179805941, 231179067, 333925319, 429332553, 539417823, 1001775957, 1618253469, 2337477233, 3005327871, 7012431699, 21037295097]

約数ペア:

[(1, 21037295097), (3, 7012431699), (7, 3005327871), (9, 2337477233), (13, 1618253469), (21, 1001775957), (39, 539417823), (49, 429332553), (63, 333925319), (91, 231179067), (117, 179805941), (147, 143110851), (193, 109001529), (273, 77059689), (441, 47703617), (579, 36333843), (637, 33025581), (819, 25686563), (1351, 15571647), (1737, 12111281), (1911, 11008527), (2509, 8384733), (4053, 5190549), (5733, 3669509), (7527, 2794911), (9457, 2224521), (12159, 1730183), (17563, 1197819), (19013, 1106469), (22581, 931637), (28371, 741507), (52689, 399273), (57039, 368823), (85113, 247169), (122941, 171117), (133091, 158067)]