21199680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:473

約数の個数: 168

約数和(自身を含む): 77385672

約数和(自身を除く): 56185992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 433, 480, 510, 544, 576, 612, 680, 720, 765, 816, 866, 960, 1020, 1088, 1224, 1299, 1360, 1440, 1530, 1632, 1732, 2040, 2165, 2448, 2598, 2720, 2880, 3060, 3264, 3464, 3897, 4080, 4330, 4896, 5196, 5440, 6120, 6495, 6928, 7361, 7794, 8160, 8660, 9792, 10392, 12240, 12990, 13856, 14722, 15588, 16320, 17320, 19485, 20784, 22083, 24480, 25980, 27712, 29444, 31176, 34640, 36805, 38970, 41568, 44166, 48960, 51960, 58888, 62352, 66249, 69280, 73610, 77940, 83136, 88332, 103920, 110415, 117776, 124704, 132498, 138560, 147220, 155880, 176664, 207840, 220830, 235552, 249408, 264996, 294440, 311760, 331245, 353328, 415680, 441660, 471104, 529992, 588880, 623520, 662490, 706656, 883320, 1059984, 1177760, 1247040, 1324980, 1413312, 1766640, 2119968, 2355520, 2649960, 3533280, 4239936, 5299920, 7066560, 10599840, 21199680]

約数ペア:

[(1, 21199680), (2, 10599840), (3, 7066560), (4, 5299920), (5, 4239936), (6, 3533280), (8, 2649960), (9, 2355520), (10, 2119968), (12, 1766640), (15, 1413312), (16, 1324980), (17, 1247040), (18, 1177760), (20, 1059984), (24, 883320), (30, 706656), (32, 662490), (34, 623520), (36, 588880), (40, 529992), (45, 471104), (48, 441660), (51, 415680), (60, 353328), (64, 331245), (68, 311760), (72, 294440), (80, 264996), (85, 249408), (90, 235552), (96, 220830), (102, 207840), (120, 176664), (136, 155880), (144, 147220), (153, 138560), (160, 132498), (170, 124704), (180, 117776), (192, 110415), (204, 103920), (240, 88332), (255, 83136), (272, 77940), (288, 73610), (306, 69280), (320, 66249), (340, 62352), (360, 58888), (408, 51960), (433, 48960), (480, 44166), (510, 41568), (544, 38970), (576, 36805), (612, 34640), (680, 31176), (720, 29444), (765, 27712), (816, 25980), (866, 24480), (960, 22083), (1020, 20784), (1088, 19485), (1224, 17320), (1299, 16320), (1360, 15588), (1440, 14722), (1530, 13856), (1632, 12990), (1732, 12240), (2040, 10392), (2165, 9792), (2448, 8660), (2598, 8160), (2720, 7794), (2880, 7361), (3060, 6928), (3264, 6495), (3464, 6120), (3897, 5440), (4080, 5196), (4330, 4896)]