21832700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2003}}^1$

素因数の和:2126

約数の個数: 36

約数和(自身を含む): 47835480

約数和(自身を除く): 26002780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2003, 2180, 2725, 4006, 5450, 8012, 10015, 10900, 20030, 40060, 50075, 100150, 200300, 218327, 436654, 873308, 1091635, 2183270, 4366540, 5458175, 10916350, 21832700]

約数ペア:

[(1, 21832700), (2, 10916350), (4, 5458175), (5, 4366540), (10, 2183270), (20, 1091635), (25, 873308), (50, 436654), (100, 218327), (109, 200300), (218, 100150), (436, 50075), (545, 40060), (1090, 20030), (2003, 10900), (2180, 10015), (2725, 8012), (4006, 5450)]