2021107330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2297}}^1$

素因数の和:2755

約数の個数: 64

約数和(自身を含む): 4189345920

約数和(自身を除く): 2168238590

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 421, 842, 1045, 2090, 2105, 2297, 4210, 4594, 4631, 7999, 9262, 11485, 15998, 22970, 23155, 25267, 39995, 43643, 46310, 50534, 79990, 87286, 87989, 126335, 175978, 218215, 252670, 436430, 439945, 480073, 879890, 960146, 967037, 1934074, 2400365, 4800730, 4835185, 9670370, 10637407, 18373703, 21274814, 36747406, 53187035, 91868515, 106374070, 183737030, 202110733, 404221466, 1010553665, 2021107330]

約数ペア:

[(1, 2021107330), (2, 1010553665), (5, 404221466), (10, 202110733), (11, 183737030), (19, 106374070), (22, 91868515), (38, 53187035), (55, 36747406), (95, 21274814), (110, 18373703), (190, 10637407), (209, 9670370), (418, 4835185), (421, 4800730), (842, 2400365), (1045, 1934074), (2090, 967037), (2105, 960146), (2297, 879890), (4210, 480073), (4594, 439945), (4631, 436430), (7999, 252670), (9262, 218215), (11485, 175978), (15998, 126335), (22970, 87989), (23155, 87286), (25267, 79990), (39995, 50534), (43643, 46310)]