21717120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11311}}^1$

素因数の和:11333

約数の個数: 64

約数和(自身を含む): 69229440

約数和(自身を除く): 47512320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11311, 22622, 33933, 45244, 56555, 67866, 90488, 113110, 135732, 169665, 180976, 226220, 271464, 339330, 361952, 452440, 542928, 678660, 723904, 904880, 1085856, 1357320, 1447808, 1809760, 2171712, 2714640, 3619520, 4343424, 5429280, 7239040, 10858560, 21717120]

約数ペア:

[(1, 21717120), (2, 10858560), (3, 7239040), (4, 5429280), (5, 4343424), (6, 3619520), (8, 2714640), (10, 2171712), (12, 1809760), (15, 1447808), (16, 1357320), (20, 1085856), (24, 904880), (30, 723904), (32, 678660), (40, 542928), (48, 452440), (60, 361952), (64, 339330), (80, 271464), (96, 226220), (120, 180976), (128, 169665), (160, 135732), (192, 113110), (240, 90488), (320, 67866), (384, 56555), (480, 45244), (640, 33933), (960, 22622), (1920, 11311)]