21049280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9397}}^1$

素因数の和:9421

約数の個数: 56

約数和(自身を含む): 57290208

約数和(自身を除く): 36240928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9397, 18794, 37588, 46985, 65779, 75176, 93970, 131558, 150352, 187940, 263116, 300704, 328895, 375880, 526232, 601408, 657790, 751760, 1052464, 1315580, 1503520, 2104928, 2631160, 3007040, 4209856, 5262320, 10524640, 21049280]

約数ペア:

[(1, 21049280), (2, 10524640), (4, 5262320), (5, 4209856), (7, 3007040), (8, 2631160), (10, 2104928), (14, 1503520), (16, 1315580), (20, 1052464), (28, 751760), (32, 657790), (35, 601408), (40, 526232), (56, 375880), (64, 328895), (70, 300704), (80, 263116), (112, 187940), (140, 150352), (160, 131558), (224, 93970), (280, 75176), (320, 65779), (448, 46985), (560, 37588), (1120, 18794), (2240, 9397)]