21617888812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 42699976704

約数和(自身を除く): 21082087892

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 131, 167, 262, 334, 403, 524, 613, 668, 806, 1226, 1612, 1703, 2171, 2452, 3406, 4061, 4342, 5177, 6812, 7969, 8122, 8684, 10354, 15938, 16244, 19003, 20708, 21877, 31876, 38006, 43754, 52793, 67301, 76012, 80303, 87508, 102371, 105586, 134602, 160606, 204742, 211172, 247039, 269204, 284401, 321212, 409484, 494078, 568802, 678187, 988156, 1043939, 1137604, 1330823, 1356374, 2087878, 2489393, 2661646, 2712748, 3173501, 4175756, 4978786, 5323292, 6347002, 8816431, 9957572, 12694004, 13410601, 17632862, 26821202, 32362109, 35265724, 41255513, 53642404, 64724218, 82511026, 129448436, 165022052, 174337813, 348675626, 415728631, 697351252, 831457262, 1662914524, 5404472203, 10808944406, 21617888812]

約数ペア:

[(1, 21617888812), (2, 10808944406), (4, 5404472203), (13, 1662914524), (26, 831457262), (31, 697351252), (52, 415728631), (62, 348675626), (124, 174337813), (131, 165022052), (167, 129448436), (262, 82511026), (334, 64724218), (403, 53642404), (524, 41255513), (613, 35265724), (668, 32362109), (806, 26821202), (1226, 17632862), (1612, 13410601), (1703, 12694004), (2171, 9957572), (2452, 8816431), (3406, 6347002), (4061, 5323292), (4342, 4978786), (5177, 4175756), (6812, 3173501), (7969, 2712748), (8122, 2661646), (8684, 2489393), (10354, 2087878), (15938, 1356374), (16244, 1330823), (19003, 1137604), (20708, 1043939), (21877, 988156), (31876, 678187), (38006, 568802), (43754, 494078), (52793, 409484), (67301, 321212), (76012, 284401), (80303, 269204), (87508, 247039), (102371, 211172), (105586, 204742), (134602, 160606)]