21980876940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53117}}^1$

素因数の和:53173

約数の個数: 216

約数和(自身を含む): 77146458480

約数和(自身を除く): 55165581540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 605, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1254, 1452, 1710, 1815, 1881, 1980, 2090, 2178, 2299, 2420, 2508, 3135, 3420, 3630, 3762, 4180, 4356, 4598, 5445, 6270, 6897, 7260, 7524, 9196, 9405, 10890, 11495, 12540, 13794, 18810, 20691, 21780, 22990, 27588, 34485, 37620, 41382, 45980, 53117, 68970, 82764, 103455, 106234, 137940, 159351, 206910, 212468, 265585, 318702, 413820, 478053, 531170, 584287, 637404, 796755, 956106, 1009223, 1062340, 1168574, 1593510, 1752861, 1912212, 2018446, 2337148, 2390265, 2921435, 3027669, 3187020, 3505722, 4036892, 4780530, 5046115, 5258583, 5842870, 6055338, 6427157, 7011444, 8764305, 9083007, 9561060, 10092230, 10517166, 11101453, 11685740, 12110676, 12854314, 15138345, 17528610, 18166014, 19281471, 20184460, 21034332, 22202906, 25708628, 26292915, 30276690, 32135785, 33304359, 35057220, 36332028, 38562942, 44405812, 45415035, 52585830, 55507265, 57844413, 60553380, 64271570, 66608718, 77125884, 90830070, 96407355, 99913077, 105171660, 111014530, 115688826, 122115983, 128543140, 133217436, 166521795, 181660140, 192814710, 199826154, 222029060, 231377652, 244231966, 289222065, 333043590, 366347949, 385629420, 399652308, 488463932, 499565385, 578444130, 610579915, 666087180, 732695898, 999130770, 1099043847, 1156888260, 1221159830, 1465391796, 1831739745, 1998261540, 2198087694, 2442319660, 3663479490, 4396175388, 5495219235, 7326958980, 10990438470, 21980876940]

約数ペア:

[(1, 21980876940), (2, 10990438470), (3, 7326958980), (4, 5495219235), (5, 4396175388), (6, 3663479490), (9, 2442319660), (10, 2198087694), (11, 1998261540), (12, 1831739745), (15, 1465391796), (18, 1221159830), (19, 1156888260), (20, 1099043847), (22, 999130770), (30, 732695898), (33, 666087180), (36, 610579915), (38, 578444130), (44, 499565385), (45, 488463932), (55, 399652308), (57, 385629420), (60, 366347949), (66, 333043590), (76, 289222065), (90, 244231966), (95, 231377652), (99, 222029060), (110, 199826154), (114, 192814710), (121, 181660140), (132, 166521795), (165, 133217436), (171, 128543140), (180, 122115983), (190, 115688826), (198, 111014530), (209, 105171660), (220, 99913077), (228, 96407355), (242, 90830070), (285, 77125884), (330, 66608718), (342, 64271570), (363, 60553380), (380, 57844413), (396, 55507265), (418, 52585830), (484, 45415035), (495, 44405812), (570, 38562942), (605, 36332028), (627, 35057220), (660, 33304359), (684, 32135785), (726, 30276690), (836, 26292915), (855, 25708628), (990, 22202906), (1045, 21034332), (1089, 20184460), (1140, 19281471), (1210, 18166014), (1254, 17528610), (1452, 15138345), (1710, 12854314), (1815, 12110676), (1881, 11685740), (1980, 11101453), (2090, 10517166), (2178, 10092230), (2299, 9561060), (2420, 9083007), (2508, 8764305), (3135, 7011444), (3420, 6427157), (3630, 6055338), (3762, 5842870), (4180, 5258583), (4356, 5046115), (4598, 4780530), (5445, 4036892), (6270, 3505722), (6897, 3187020), (7260, 3027669), (7524, 2921435), (9196, 2390265), (9405, 2337148), (10890, 2018446), (11495, 1912212), (12540, 1752861), (13794, 1593510), (18810, 1168574), (20691, 1062340), (21780, 1009223), (22990, 956106), (27588, 796755), (34485, 637404), (37620, 584287), (41382, 531170), (45980, 478053), (53117, 413820), (68970, 318702), (82764, 265585), (103455, 212468), (106234, 206910), (137940, 159351)]