21065626064

素因数分解:

$2^4\times 7^2\times {\mathrm{197}}^1\times {\mathrm{136393}}^1$

素因数の和:136612

約数の個数: 60

約数和(自身を含む): 47719623204

約数和(自身を除く): 26653997140

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 197, 392, 394, 784, 788, 1379, 1576, 2758, 3152, 5516, 9653, 11032, 19306, 22064, 38612, 77224, 136393, 154448, 272786, 545572, 954751, 1091144, 1909502, 2182288, 3819004, 6683257, 7638008, 13366514, 15276016, 26733028, 26869421, 53466056, 53738842, 106932112, 107477684, 188085947, 214955368, 376171894, 429910736, 752343788, 1316601629, 1504687576, 2633203258, 3009375152, 5266406516, 10532813032, 21065626064]

約数ペア:

[(1, 21065626064), (2, 10532813032), (4, 5266406516), (7, 3009375152), (8, 2633203258), (14, 1504687576), (16, 1316601629), (28, 752343788), (49, 429910736), (56, 376171894), (98, 214955368), (112, 188085947), (196, 107477684), (197, 106932112), (392, 53738842), (394, 53466056), (784, 26869421), (788, 26733028), (1379, 15276016), (1576, 13366514), (2758, 7638008), (3152, 6683257), (5516, 3819004), (9653, 2182288), (11032, 1909502), (19306, 1091144), (22064, 954751), (38612, 545572), (77224, 272786), (136393, 154448)]