21000359590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{659}}^1$

素因数の和:1190

約数の個数: 128

約数和(自身を含む): 46668441600

約数和(自身を除く): 25668082010

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 305, 427, 439, 595, 610, 659, 854, 878, 1037, 1190, 1318, 2074, 2135, 2195, 3073, 3295, 4270, 4390, 4613, 5185, 6146, 6590, 7259, 7463, 9226, 10370, 11203, 14518, 14926, 15365, 22406, 23065, 26779, 30730, 36295, 37315, 40199, 46130, 52241, 53558, 56015, 72590, 74630, 78421, 80398, 104482, 112030, 133895, 156842, 187453, 200995, 261205, 267790, 281393, 289301, 374906, 392105, 401990, 455243, 522410, 562786, 578602, 683383, 784210, 910486, 937265, 1366766, 1406965, 1446505, 1874530, 2025107, 2276215, 2813930, 2893010, 3186701, 3416915, 4050214, 4552430, 4783681, 4918117, 6373402, 6833830, 9567362, 9836234, 10125535, 15933505, 17647361, 20251070, 23918405, 24590585, 31867010, 34426819, 35294722, 47836810, 49181170, 68853638, 88236805, 123531527, 172134095, 176473610, 247063054, 300005137, 344268190, 600010274, 617657635, 1235315270, 1500025685, 2100035959, 3000051370, 4200071918, 10500179795, 21000359590]

約数ペア:

[(1, 21000359590), (2, 10500179795), (5, 4200071918), (7, 3000051370), (10, 2100035959), (14, 1500025685), (17, 1235315270), (34, 617657635), (35, 600010274), (61, 344268190), (70, 300005137), (85, 247063054), (119, 176473610), (122, 172134095), (170, 123531527), (238, 88236805), (305, 68853638), (427, 49181170), (439, 47836810), (595, 35294722), (610, 34426819), (659, 31867010), (854, 24590585), (878, 23918405), (1037, 20251070), (1190, 17647361), (1318, 15933505), (2074, 10125535), (2135, 9836234), (2195, 9567362), (3073, 6833830), (3295, 6373402), (4270, 4918117), (4390, 4783681), (4613, 4552430), (5185, 4050214), (6146, 3416915), (6590, 3186701), (7259, 2893010), (7463, 2813930), (9226, 2276215), (10370, 2025107), (11203, 1874530), (14518, 1446505), (14926, 1406965), (15365, 1366766), (22406, 937265), (23065, 910486), (26779, 784210), (30730, 683383), (36295, 578602), (37315, 562786), (40199, 522410), (46130, 455243), (52241, 401990), (53558, 392105), (56015, 374906), (72590, 289301), (74630, 281393), (78421, 267790), (80398, 261205), (104482, 200995), (112030, 187453), (133895, 156842)]