21040880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37573}}^1$

素因数の和:37593

約数の個数: 40

約数和(自身を含む): 55910112

約数和(自身を除く): 34869232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37573, 75146, 150292, 187865, 263011, 300584, 375730, 526022, 601168, 751460, 1052044, 1315055, 1502920, 2104088, 2630110, 3005840, 4208176, 5260220, 10520440, 21040880]

約数ペア:

[(1, 21040880), (2, 10520440), (4, 5260220), (5, 4208176), (7, 3005840), (8, 2630110), (10, 2104088), (14, 1502920), (16, 1315055), (20, 1052044), (28, 751460), (35, 601168), (40, 526022), (56, 375730), (70, 300584), (80, 263011), (112, 187865), (140, 150292), (280, 75146), (560, 37573)]