21772520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7069}}^1$

素因数の和:7098

約数の個数: 64

約数和(自身を含む): 61084800

約数和(自身を除く): 39312280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 7069, 14138, 28276, 35345, 49483, 56552, 70690, 77759, 98966, 141380, 155518, 197932, 247415, 282760, 311036, 388795, 395864, 494830, 544313, 622072, 777590, 989660, 1088626, 1555180, 1979320, 2177252, 2721565, 3110360, 4354504, 5443130, 10886260, 21772520]

約数ペア:

[(1, 21772520), (2, 10886260), (4, 5443130), (5, 4354504), (7, 3110360), (8, 2721565), (10, 2177252), (11, 1979320), (14, 1555180), (20, 1088626), (22, 989660), (28, 777590), (35, 622072), (40, 544313), (44, 494830), (55, 395864), (56, 388795), (70, 311036), (77, 282760), (88, 247415), (110, 197932), (140, 155518), (154, 141380), (220, 98966), (280, 77759), (308, 70690), (385, 56552), (440, 49483), (616, 35345), (770, 28276), (1540, 14138), (3080, 7069)]