21080500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 55560960

約数和(自身を除く): 34480460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 125, 133, 140, 175, 190, 250, 266, 317, 350, 380, 475, 500, 532, 634, 665, 700, 875, 950, 1268, 1330, 1585, 1750, 1900, 2219, 2375, 2660, 3170, 3325, 3500, 4438, 4750, 6023, 6340, 6650, 7925, 8876, 9500, 11095, 12046, 13300, 15850, 16625, 22190, 24092, 30115, 31700, 33250, 39625, 42161, 44380, 55475, 60230, 66500, 79250, 84322, 110950, 120460, 150575, 158500, 168644, 210805, 221900, 277375, 301150, 421610, 554750, 602300, 752875, 843220, 1054025, 1109500, 1505750, 2108050, 3011500, 4216100, 5270125, 10540250, 21080500]

約数ペア:

[(1, 21080500), (2, 10540250), (4, 5270125), (5, 4216100), (7, 3011500), (10, 2108050), (14, 1505750), (19, 1109500), (20, 1054025), (25, 843220), (28, 752875), (35, 602300), (38, 554750), (50, 421610), (70, 301150), (76, 277375), (95, 221900), (100, 210805), (125, 168644), (133, 158500), (140, 150575), (175, 120460), (190, 110950), (250, 84322), (266, 79250), (317, 66500), (350, 60230), (380, 55475), (475, 44380), (500, 42161), (532, 39625), (634, 33250), (665, 31700), (700, 30115), (875, 24092), (950, 22190), (1268, 16625), (1330, 15850), (1585, 13300), (1750, 12046), (1900, 11095), (2219, 9500), (2375, 8876), (2660, 7925), (3170, 6650), (3325, 6340), (3500, 6023), (4438, 4750)]