21233200

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:614

約数の個数: 60

約数和(自身を含む): 51586480

約数和(自身を除く): 30353280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 487, 545, 872, 974, 1090, 1744, 1948, 2180, 2435, 2725, 3896, 4360, 4870, 5450, 7792, 8720, 9740, 10900, 12175, 19480, 21800, 24350, 38960, 43600, 48700, 53083, 97400, 106166, 194800, 212332, 265415, 424664, 530830, 849328, 1061660, 1327075, 2123320, 2654150, 4246640, 5308300, 10616600, 21233200]

約数ペア:

[(1, 21233200), (2, 10616600), (4, 5308300), (5, 4246640), (8, 2654150), (10, 2123320), (16, 1327075), (20, 1061660), (25, 849328), (40, 530830), (50, 424664), (80, 265415), (100, 212332), (109, 194800), (200, 106166), (218, 97400), (400, 53083), (436, 48700), (487, 43600), (545, 38960), (872, 24350), (974, 21800), (1090, 19480), (1744, 12175), (1948, 10900), (2180, 9740), (2435, 8720), (2725, 7792), (3896, 5450), (4360, 4870)]