21121200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5867}}^1$

素因数の和:5891

約数の個数: 90

約数和(自身を含む): 73308924

約数和(自身を除く): 52187724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5867, 11734, 17601, 23468, 29335, 35202, 46936, 52803, 58670, 70404, 88005, 93872, 105606, 117340, 140808, 146675, 176010, 211212, 234680, 264015, 281616, 293350, 352020, 422424, 440025, 469360, 528030, 586700, 704040, 844848, 880050, 1056060, 1173400, 1320075, 1408080, 1760100, 2112120, 2346800, 2640150, 3520200, 4224240, 5280300, 7040400, 10560600, 21121200]

約数ペア:

[(1, 21121200), (2, 10560600), (3, 7040400), (4, 5280300), (5, 4224240), (6, 3520200), (8, 2640150), (9, 2346800), (10, 2112120), (12, 1760100), (15, 1408080), (16, 1320075), (18, 1173400), (20, 1056060), (24, 880050), (25, 844848), (30, 704040), (36, 586700), (40, 528030), (45, 469360), (48, 440025), (50, 422424), (60, 352020), (72, 293350), (75, 281616), (80, 264015), (90, 234680), (100, 211212), (120, 176010), (144, 146675), (150, 140808), (180, 117340), (200, 105606), (225, 93872), (240, 88005), (300, 70404), (360, 58670), (400, 52803), (450, 46936), (600, 35202), (720, 29335), (900, 23468), (1200, 17601), (1800, 11734), (3600, 5867)]