21655200

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1319

約数の個数: 144

約数和(自身を含む): 80619840

約数和(自身を除く): 58964640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1289, 1400, 1680, 2100, 2400, 2578, 2800, 3360, 3867, 4200, 5156, 5600, 6445, 7734, 8400, 9023, 10312, 12890, 15468, 16800, 18046, 19335, 20624, 25780, 27069, 30936, 32225, 36092, 38670, 41248, 45115, 51560, 54138, 61872, 64450, 72184, 77340, 90230, 96675, 103120, 108276, 123744, 128900, 135345, 144368, 154680, 180460, 193350, 206240, 216552, 225575, 257800, 270690, 288736, 309360, 360920, 386700, 433104, 451150, 515600, 541380, 618720, 676725, 721840, 773400, 866208, 902300, 1031200, 1082760, 1353450, 1443680, 1546800, 1804600, 2165520, 2706900, 3093600, 3609200, 4331040, 5413800, 7218400, 10827600, 21655200]

約数ペア:

[(1, 21655200), (2, 10827600), (3, 7218400), (4, 5413800), (5, 4331040), (6, 3609200), (7, 3093600), (8, 2706900), (10, 2165520), (12, 1804600), (14, 1546800), (15, 1443680), (16, 1353450), (20, 1082760), (21, 1031200), (24, 902300), (25, 866208), (28, 773400), (30, 721840), (32, 676725), (35, 618720), (40, 541380), (42, 515600), (48, 451150), (50, 433104), (56, 386700), (60, 360920), (70, 309360), (75, 288736), (80, 270690), (84, 257800), (96, 225575), (100, 216552), (105, 206240), (112, 193350), (120, 180460), (140, 154680), (150, 144368), (160, 135345), (168, 128900), (175, 123744), (200, 108276), (210, 103120), (224, 96675), (240, 90230), (280, 77340), (300, 72184), (336, 64450), (350, 61872), (400, 54138), (420, 51560), (480, 45115), (525, 41248), (560, 38670), (600, 36092), (672, 32225), (700, 30936), (800, 27069), (840, 25780), (1050, 20624), (1120, 19335), (1200, 18046), (1289, 16800), (1400, 15468), (1680, 12890), (2100, 10312), (2400, 9023), (2578, 8400), (2800, 7734), (3360, 6445), (3867, 5600), (4200, 5156)]