21580300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30829}}^1$

素因数の和:30850

約数の個数: 36

約数和(自身を含む): 53520880

約数和(自身を除く): 31940580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30829, 61658, 123316, 154145, 215803, 308290, 431606, 616580, 770725, 863212, 1079015, 1541450, 2158030, 3082900, 4316060, 5395075, 10790150, 21580300]

約数ペア:

[(1, 21580300), (2, 10790150), (4, 5395075), (5, 4316060), (7, 3082900), (10, 2158030), (14, 1541450), (20, 1079015), (25, 863212), (28, 770725), (35, 616580), (50, 431606), (70, 308290), (100, 215803), (140, 154145), (175, 123316), (350, 61658), (700, 30829)]