21097600

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 55018800

約数和(自身を除く): 33921200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 304, 320, 347, 380, 400, 475, 608, 640, 694, 760, 800, 950, 1216, 1388, 1520, 1600, 1735, 1900, 2432, 2776, 3040, 3200, 3470, 3800, 5552, 6080, 6593, 6940, 7600, 8675, 11104, 12160, 13186, 13880, 15200, 17350, 22208, 26372, 27760, 30400, 32965, 34700, 44416, 52744, 55520, 60800, 65930, 69400, 105488, 111040, 131860, 138800, 164825, 210976, 222080, 263720, 277600, 329650, 421952, 527440, 555200, 659300, 843904, 1054880, 1110400, 1318600, 2109760, 2637200, 4219520, 5274400, 10548800, 21097600]

約数ペア:

[(1, 21097600), (2, 10548800), (4, 5274400), (5, 4219520), (8, 2637200), (10, 2109760), (16, 1318600), (19, 1110400), (20, 1054880), (25, 843904), (32, 659300), (38, 555200), (40, 527440), (50, 421952), (64, 329650), (76, 277600), (80, 263720), (95, 222080), (100, 210976), (128, 164825), (152, 138800), (160, 131860), (190, 111040), (200, 105488), (304, 69400), (320, 65930), (347, 60800), (380, 55520), (400, 52744), (475, 44416), (608, 34700), (640, 32965), (694, 30400), (760, 27760), (800, 26372), (950, 22208), (1216, 17350), (1388, 15200), (1520, 13880), (1600, 13186), (1735, 12160), (1900, 11104), (2432, 8675), (2776, 7600), (3040, 6940), (3200, 6593), (3470, 6080), (3800, 5552)]