21571330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4842

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 21829118

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4783, 9566, 23915, 47830, 52613, 105226, 196103, 263065, 392206, 526130, 980515, 1961030, 2157133, 4314266, 10785665, 21571330]

約数ペア:

[(1, 21571330), (2, 10785665), (5, 4314266), (10, 2157133), (11, 1961030), (22, 980515), (41, 526130), (55, 392206), (82, 263065), (110, 196103), (205, 105226), (410, 52613), (451, 47830), (902, 23915), (2255, 9566), (4510, 4783)]