21620200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{15443}}^1$

素因数の和:15466

約数の個数: 48

約数和(自身を含む): 57451680

約数和(自身を除く): 35831480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 15443, 30886, 61772, 77215, 108101, 123544, 154430, 216202, 308860, 386075, 432404, 540505, 617720, 772150, 864808, 1081010, 1544300, 2162020, 2702525, 3088600, 4324040, 5405050, 10810100, 21620200]

約数ペア:

[(1, 21620200), (2, 10810100), (4, 5405050), (5, 4324040), (7, 3088600), (8, 2702525), (10, 2162020), (14, 1544300), (20, 1081010), (25, 864808), (28, 772150), (35, 617720), (40, 540505), (50, 432404), (56, 386075), (70, 308860), (100, 216202), (140, 154430), (175, 123544), (200, 108101), (280, 77215), (350, 61772), (700, 30886), (1400, 15443)]