21013857200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{2447}}^1\times {\mathrm{3067}}^1$

素因数の和:5539

約数の個数: 120

約数和(自身を含む): 57740447232

約数和(自身を除く): 36726590032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2447, 2800, 3067, 4894, 6134, 9788, 12235, 12268, 15335, 17129, 19576, 21469, 24470, 24536, 30670, 34258, 39152, 42938, 48940, 49072, 61175, 61340, 68516, 76675, 85645, 85876, 97880, 107345, 122350, 122680, 137032, 153350, 171290, 171752, 195760, 214690, 244700, 245360, 274064, 306700, 342580, 343504, 428225, 429380, 489400, 536725, 613400, 685160, 856450, 858760, 978800, 1073450, 1226800, 1370320, 1712900, 1717520, 2146900, 3425800, 4293800, 6851600, 7504949, 8587600, 15009898, 30019796, 37524745, 52534643, 60039592, 75049490, 105069286, 120079184, 150098980, 187623725, 210138572, 262673215, 300197960, 375247450, 420277144, 525346430, 600395920, 750494900, 840554288, 1050692860, 1313366075, 1500989800, 2101385720, 2626732150, 3001979600, 4202771440, 5253464300, 10506928600, 21013857200]

約数ペア:

[(1, 21013857200), (2, 10506928600), (4, 5253464300), (5, 4202771440), (7, 3001979600), (8, 2626732150), (10, 2101385720), (14, 1500989800), (16, 1313366075), (20, 1050692860), (25, 840554288), (28, 750494900), (35, 600395920), (40, 525346430), (50, 420277144), (56, 375247450), (70, 300197960), (80, 262673215), (100, 210138572), (112, 187623725), (140, 150098980), (175, 120079184), (200, 105069286), (280, 75049490), (350, 60039592), (400, 52534643), (560, 37524745), (700, 30019796), (1400, 15009898), (2447, 8587600), (2800, 7504949), (3067, 6851600), (4894, 4293800), (6134, 3425800), (9788, 2146900), (12235, 1717520), (12268, 1712900), (15335, 1370320), (17129, 1226800), (19576, 1073450), (21469, 978800), (24470, 858760), (24536, 856450), (30670, 685160), (34258, 613400), (39152, 536725), (42938, 489400), (48940, 429380), (49072, 428225), (61175, 343504), (61340, 342580), (68516, 306700), (76675, 274064), (85645, 245360), (85876, 244700), (97880, 214690), (107345, 195760), (122350, 171752), (122680, 171290), (137032, 153350)]