21095040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10987}}^1$

素因数の和:11009

約数の個数: 64

約数和(自身を含む): 67246560

約数和(自身を除く): 46151520

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, 10987, 21974, 32961, 43948, 54935, 65922, 87896, 109870, 131844, 164805, 175792, 219740, 263688, 329610, 351584, 439480, 527376, 659220, 703168, 878960, 1054752, 1318440, 1406336, 1757920, 2109504, 2636880, 3515840, 4219008, 5273760, 7031680, 10547520, 21095040]

約数ペア:

[(1, 21095040), (2, 10547520), (3, 7031680), (4, 5273760), (5, 4219008), (6, 3515840), (8, 2636880), (10, 2109504), (12, 1757920), (15, 1406336), (16, 1318440), (20, 1054752), (24, 878960), (30, 703168), (32, 659220), (40, 527376), (48, 439480), (60, 351584), (64, 329610), (80, 263688), (96, 219740), (120, 175792), (128, 164805), (160, 131844), (192, 109870), (240, 87896), (320, 65922), (384, 54935), (480, 43948), (640, 32961), (960, 21974), (1920, 10987)]