21000332150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{722903}}^1$

素因数の和:723005

約数の個数: 48

約数和(自身を含む): 45178608384

約数和(自身を除く): 24178276234

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 83, 166, 175, 350, 415, 581, 830, 1162, 2075, 2905, 4150, 5810, 14525, 29050, 722903, 1445806, 3614515, 5060321, 7229030, 10120642, 18072575, 25301605, 36145150, 50603210, 60000949, 120001898, 126508025, 253016050, 300004745, 420006643, 600009490, 840013286, 1500023725, 2100033215, 3000047450, 4200066430, 10500166075, 21000332150]

約数ペア:

[(1, 21000332150), (2, 10500166075), (5, 4200066430), (7, 3000047450), (10, 2100033215), (14, 1500023725), (25, 840013286), (35, 600009490), (50, 420006643), (70, 300004745), (83, 253016050), (166, 126508025), (175, 120001898), (350, 60000949), (415, 50603210), (581, 36145150), (830, 25301605), (1162, 18072575), (2075, 10120642), (2905, 7229030), (4150, 5060321), (5810, 3614515), (14525, 1445806), (29050, 722903)]