21236709900280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{18806197}}^1$

素因数の和:18806361

約数の個数: 128

約数和(自身を含む): 56599133500800

約数和(自身を除く): 35362423600520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 109, 140, 148, 185, 218, 259, 280, 296, 370, 436, 518, 545, 740, 763, 872, 1036, 1090, 1295, 1480, 1526, 2072, 2180, 2590, 3052, 3815, 4033, 4360, 5180, 6104, 7630, 8066, 10360, 15260, 16132, 20165, 28231, 30520, 32264, 40330, 56462, 80660, 112924, 141155, 161320, 225848, 282310, 564620, 1129240, 18806197, 37612394, 75224788, 94030985, 131643379, 150449576, 188061970, 263286758, 376123940, 526573516, 658216895, 695829289, 752247880, 1053147032, 1316433790, 1391658578, 2049875473, 2632867580, 2783317156, 3479146445, 4099750946, 4870805023, 5265735160, 5566634312, 6958292890, 8199501892, 9741610046, 10249377365, 13916585780, 14349128311, 16399003784, 19483220092, 20498754730, 24354025115, 27833171560, 28698256622, 38966440184, 40997509460, 48708050230, 57396513244, 71745641555, 75845392501, 81995018920, 97416100460, 114793026488, 143491283110, 151690785002, 194832200920, 286982566220, 303381570004, 379226962505, 530917747507, 573965132440, 606763140008, 758453925010, 1061835495014, 1516907850020, 2123670990028, 2654588737535, 3033815700040, 4247341980056, 5309177475070, 10618354950140, 21236709900280]

約数ペア:

[(1, 21236709900280), (2, 10618354950140), (4, 5309177475070), (5, 4247341980056), (7, 3033815700040), (8, 2654588737535), (10, 2123670990028), (14, 1516907850020), (20, 1061835495014), (28, 758453925010), (35, 606763140008), (37, 573965132440), (40, 530917747507), (56, 379226962505), (70, 303381570004), (74, 286982566220), (109, 194832200920), (140, 151690785002), (148, 143491283110), (185, 114793026488), (218, 97416100460), (259, 81995018920), (280, 75845392501), (296, 71745641555), (370, 57396513244), (436, 48708050230), (518, 40997509460), (545, 38966440184), (740, 28698256622), (763, 27833171560), (872, 24354025115), (1036, 20498754730), (1090, 19483220092), (1295, 16399003784), (1480, 14349128311), (1526, 13916585780), (2072, 10249377365), (2180, 9741610046), (2590, 8199501892), (3052, 6958292890), (3815, 5566634312), (4033, 5265735160), (4360, 4870805023), (5180, 4099750946), (6104, 3479146445), (7630, 2783317156), (8066, 2632867580), (10360, 2049875473), (15260, 1391658578), (16132, 1316433790), (20165, 1053147032), (28231, 752247880), (30520, 695829289), (32264, 658216895), (40330, 526573516), (56462, 376123940), (80660, 263286758), (112924, 188061970), (141155, 150449576), (161320, 131643379), (225848, 94030985), (282310, 75224788), (564620, 37612394), (1129240, 18806197)]