21361200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2543}}^1$

素因数の和:2571

約数の個数: 120

約数和(自身を含む): 78233088

約数和(自身を除く): 56871888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2543, 2800, 4200, 5086, 7629, 8400, 10172, 12715, 15258, 17801, 20344, 25430, 30516, 35602, 38145, 40688, 50860, 53403, 61032, 63575, 71204, 76290, 89005, 101720, 106806, 122064, 127150, 142408, 152580, 178010, 190725, 203440, 213612, 254300, 267015, 284816, 305160, 356020, 381450, 427224, 445025, 508600, 534030, 610320, 712040, 762900, 854448, 890050, 1017200, 1068060, 1335075, 1424080, 1525800, 1780100, 2136120, 2670150, 3051600, 3560200, 4272240, 5340300, 7120400, 10680600, 21361200]

約数ペア:

[(1, 21361200), (2, 10680600), (3, 7120400), (4, 5340300), (5, 4272240), (6, 3560200), (7, 3051600), (8, 2670150), (10, 2136120), (12, 1780100), (14, 1525800), (15, 1424080), (16, 1335075), (20, 1068060), (21, 1017200), (24, 890050), (25, 854448), (28, 762900), (30, 712040), (35, 610320), (40, 534030), (42, 508600), (48, 445025), (50, 427224), (56, 381450), (60, 356020), (70, 305160), (75, 284816), (80, 267015), (84, 254300), (100, 213612), (105, 203440), (112, 190725), (120, 178010), (140, 152580), (150, 142408), (168, 127150), (175, 122064), (200, 106806), (210, 101720), (240, 89005), (280, 76290), (300, 71204), (336, 63575), (350, 61032), (400, 53403), (420, 50860), (525, 40688), (560, 38145), (600, 35602), (700, 30516), (840, 25430), (1050, 20344), (1200, 17801), (1400, 15258), (1680, 12715), (2100, 10172), (2543, 8400), (2800, 7629), (4200, 5086)]