21074480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37633}}^1$

素因数の和:37653

約数の個数: 40

約数和(自身を含む): 55999392

約数和(自身を除く): 34924912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37633, 75266, 150532, 188165, 263431, 301064, 376330, 526862, 602128, 752660, 1053724, 1317155, 1505320, 2107448, 2634310, 3010640, 4214896, 5268620, 10537240, 21074480]

約数ペア:

[(1, 21074480), (2, 10537240), (4, 5268620), (5, 4214896), (7, 3010640), (8, 2634310), (10, 2107448), (14, 1505320), (16, 1317155), (20, 1053724), (28, 752660), (35, 602128), (40, 526862), (56, 376330), (70, 301064), (80, 263431), (112, 188165), (140, 150532), (280, 75266), (560, 37633)]