21291200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1930

約数の個数: 84

約数和(自身を含む): 59905392

約数和(自身を除く): 38614192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1901, 2240, 2800, 3802, 5600, 7604, 9505, 11200, 13307, 15208, 19010, 26614, 30416, 38020, 47525, 53228, 60832, 66535, 76040, 95050, 106456, 121664, 133070, 152080, 190100, 212912, 266140, 304160, 332675, 380200, 425824, 532280, 608320, 665350, 760400, 851648, 1064560, 1330700, 1520800, 2129120, 2661400, 3041600, 4258240, 5322800, 10645600, 21291200]

約数ペア:

[(1, 21291200), (2, 10645600), (4, 5322800), (5, 4258240), (7, 3041600), (8, 2661400), (10, 2129120), (14, 1520800), (16, 1330700), (20, 1064560), (25, 851648), (28, 760400), (32, 665350), (35, 608320), (40, 532280), (50, 425824), (56, 380200), (64, 332675), (70, 304160), (80, 266140), (100, 212912), (112, 190100), (140, 152080), (160, 133070), (175, 121664), (200, 106456), (224, 95050), (280, 76040), (320, 66535), (350, 60832), (400, 53228), (448, 47525), (560, 38020), (700, 30416), (800, 26614), (1120, 19010), (1400, 15208), (1600, 13307), (1901, 11200), (2240, 9505), (2800, 7604), (3802, 5600)]