21148560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9791}}^1$

素因数の和:9813

約数の個数: 80

約数和(自身を含む): 72852480

約数和(自身を除く): 51703920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9791, 19582, 29373, 39164, 48955, 58746, 78328, 88119, 97910, 117492, 146865, 156656, 176238, 195820, 234984, 264357, 293730, 352476, 391640, 440595, 469968, 528714, 587460, 704952, 783280, 881190, 1057428, 1174920, 1321785, 1409904, 1762380, 2114856, 2349840, 2643570, 3524760, 4229712, 5287140, 7049520, 10574280, 21148560]

約数ペア:

[(1, 21148560), (2, 10574280), (3, 7049520), (4, 5287140), (5, 4229712), (6, 3524760), (8, 2643570), (9, 2349840), (10, 2114856), (12, 1762380), (15, 1409904), (16, 1321785), (18, 1174920), (20, 1057428), (24, 881190), (27, 783280), (30, 704952), (36, 587460), (40, 528714), (45, 469968), (48, 440595), (54, 391640), (60, 352476), (72, 293730), (80, 264357), (90, 234984), (108, 195820), (120, 176238), (135, 156656), (144, 146865), (180, 117492), (216, 97910), (240, 88119), (270, 78328), (360, 58746), (432, 48955), (540, 39164), (720, 29373), (1080, 19582), (2160, 9791)]