21448350

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:655

約数の個数: 144

約数和(自身を含む): 71959680

約数和(自身を除く): 50511330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 619, 630, 693, 770, 825, 990, 1050, 1155, 1238, 1386, 1575, 1650, 1857, 1925, 2310, 2475, 3095, 3150, 3465, 3714, 3850, 4333, 4950, 5571, 5775, 6190, 6809, 6930, 8666, 9285, 11142, 11550, 12999, 13618, 15475, 17325, 18570, 20427, 21665, 25998, 27855, 30950, 34045, 34650, 38997, 40854, 43330, 46425, 47663, 55710, 61281, 64995, 68090, 77994, 92850, 95326, 102135, 108325, 122562, 129990, 139275, 142989, 170225, 194985, 204270, 216650, 238315, 278550, 285978, 306405, 324975, 340450, 389970, 428967, 476630, 510675, 612810, 649950, 714945, 857934, 974925, 1021350, 1191575, 1429890, 1532025, 1949850, 2144835, 2383150, 3064050, 3574725, 4289670, 7149450, 10724175, 21448350]

約数ペア:

[(1, 21448350), (2, 10724175), (3, 7149450), (5, 4289670), (6, 3574725), (7, 3064050), (9, 2383150), (10, 2144835), (11, 1949850), (14, 1532025), (15, 1429890), (18, 1191575), (21, 1021350), (22, 974925), (25, 857934), (30, 714945), (33, 649950), (35, 612810), (42, 510675), (45, 476630), (50, 428967), (55, 389970), (63, 340450), (66, 324975), (70, 306405), (75, 285978), (77, 278550), (90, 238315), (99, 216650), (105, 204270), (110, 194985), (126, 170225), (150, 142989), (154, 139275), (165, 129990), (175, 122562), (198, 108325), (210, 102135), (225, 95326), (231, 92850), (275, 77994), (315, 68090), (330, 64995), (350, 61281), (385, 55710), (450, 47663), (462, 46425), (495, 43330), (525, 40854), (550, 38997), (619, 34650), (630, 34045), (693, 30950), (770, 27855), (825, 25998), (990, 21665), (1050, 20427), (1155, 18570), (1238, 17325), (1386, 15475), (1575, 13618), (1650, 12999), (1857, 11550), (1925, 11142), (2310, 9285), (2475, 8666), (3095, 6930), (3150, 6809), (3465, 6190), (3714, 5775), (3850, 5571), (4333, 4950)]