21533400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1709}}^1$

素因数の和:1738

約数の個数: 144

約数和(自身を含む): 82695600

約数和(自身を除く): 61162200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1709, 1800, 2100, 2520, 3150, 3418, 4200, 5127, 6300, 6836, 8545, 10254, 11963, 12600, 13672, 15381, 17090, 20508, 23926, 25635, 30762, 34180, 35889, 41016, 42725, 47852, 51270, 59815, 61524, 68360, 71778, 76905, 85450, 95704, 102540, 107667, 119630, 123048, 128175, 143556, 153810, 170900, 179445, 205080, 215334, 239260, 256350, 287112, 299075, 307620, 341800, 358890, 384525, 430668, 478520, 512700, 538335, 598150, 615240, 717780, 769050, 861336, 897225, 1025400, 1076670, 1196300, 1435560, 1538100, 1794450, 2153340, 2392600, 2691675, 3076200, 3588900, 4306680, 5383350, 7177800, 10766700, 21533400]

約数ペア:

[(1, 21533400), (2, 10766700), (3, 7177800), (4, 5383350), (5, 4306680), (6, 3588900), (7, 3076200), (8, 2691675), (9, 2392600), (10, 2153340), (12, 1794450), (14, 1538100), (15, 1435560), (18, 1196300), (20, 1076670), (21, 1025400), (24, 897225), (25, 861336), (28, 769050), (30, 717780), (35, 615240), (36, 598150), (40, 538335), (42, 512700), (45, 478520), (50, 430668), (56, 384525), (60, 358890), (63, 341800), (70, 307620), (72, 299075), (75, 287112), (84, 256350), (90, 239260), (100, 215334), (105, 205080), (120, 179445), (126, 170900), (140, 153810), (150, 143556), (168, 128175), (175, 123048), (180, 119630), (200, 107667), (210, 102540), (225, 95704), (252, 85450), (280, 76905), (300, 71778), (315, 68360), (350, 61524), (360, 59815), (420, 51270), (450, 47852), (504, 42725), (525, 41016), (600, 35889), (630, 34180), (700, 30762), (840, 25635), (900, 23926), (1050, 20508), (1260, 17090), (1400, 15381), (1575, 13672), (1709, 12600), (1800, 11963), (2100, 10254), (2520, 8545), (3150, 6836), (3418, 6300), (4200, 5127)]