21144960

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{3671}}^1$

素因数の和:3696

約数の個数: 96

約数和(自身を含む): 73036080

約数和(自身を除く): 51891120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 3671, 5760, 7342, 11013, 14684, 18355, 22026, 29368, 33039, 36710, 44052, 55065, 58736, 66078, 73420, 88104, 110130, 117472, 132156, 146840, 165195, 176208, 220260, 234944, 264312, 293680, 330390, 352416, 440520, 469888, 528624, 587360, 660780, 704832, 881040, 1057248, 1174720, 1321560, 1409664, 1762080, 2114496, 2349440, 2643120, 3524160, 4228992, 5286240, 7048320, 10572480, 21144960]

約数ペア:

[(1, 21144960), (2, 10572480), (3, 7048320), (4, 5286240), (5, 4228992), (6, 3524160), (8, 2643120), (9, 2349440), (10, 2114496), (12, 1762080), (15, 1409664), (16, 1321560), (18, 1174720), (20, 1057248), (24, 881040), (30, 704832), (32, 660780), (36, 587360), (40, 528624), (45, 469888), (48, 440520), (60, 352416), (64, 330390), (72, 293680), (80, 264312), (90, 234944), (96, 220260), (120, 176208), (128, 165195), (144, 146840), (160, 132156), (180, 117472), (192, 110130), (240, 88104), (288, 73420), (320, 66078), (360, 58736), (384, 55065), (480, 44052), (576, 36710), (640, 33039), (720, 29368), (960, 22026), (1152, 18355), (1440, 14684), (1920, 11013), (2880, 7342), (3671, 5760)]